[minor] change docs_base_url
diff --git a/erpnext/docs/user/manual/en/schools/admission/program-enrollment.md b/erpnext/docs/user/manual/en/schools/admission/program-enrollment.md
index 060033c..f1d1b0f 100644
--- a/erpnext/docs/user/manual/en/schools/admission/program-enrollment.md
+++ b/erpnext/docs/user/manual/en/schools/admission/program-enrollment.md
@@ -1,5 +1,5 @@
 This form allows you to enroll a student to a program. A student can be enrolled to multiple programs.  
 
-<img class="screenshot" alt="Student Applicant Enrollment" src="{{url_prefix}}/assets/img/schools/admission/program-enrollment.png">
+<img class="screenshot" alt="Student Applicant Enrollment" src="{{docs_base_url}}/assets/img/schools/admission/program-enrollment.png">
 
 {next}
diff --git a/erpnext/docs/user/manual/en/schools/admission/student-applicant.md b/erpnext/docs/user/manual/en/schools/admission/student-applicant.md
index 2b33cf9..0a08f11 100644
--- a/erpnext/docs/user/manual/en/schools/admission/student-applicant.md
+++ b/erpnext/docs/user/manual/en/schools/admission/student-applicant.md
@@ -3,7 +3,7 @@
 A Student Applicant record needs to be created when a student applies for a program at your institute.
 You can Approve or Reject a student applicant. By accepting a student applicant you can add them to the student master.
 
-<img class="screenshot" alt="Student Applicant" src="{{url_prefix}}/assets/img/schools/admission/student-applicant.png">
+<img class="screenshot" alt="Student Applicant" src="{{docs_base_url}}/assets/img/schools/admission/student-applicant.png">
 
 ### Application Status
 
@@ -23,6 +23,6 @@
 Once you approve a Student Applicant you can enroll them to a program. When you click the 'Enroll' buttom,
 the system shall create a student against that applicant and redirect you to the [Program Enrollment form]({{docs_base_url}}/user/manual/en/schools/student/program-enrollment.html).
 
-<img class="screenshot" alt="Student Applicant Enrollment" src="{{url_prefix}}/assets/img/schools/admission/student-applicant-enroll.png">
+<img class="screenshot" alt="Student Applicant Enrollment" src="{{docs_base_url}}/assets/img/schools/admission/student-applicant-enroll.png">
 
 {next}
diff --git a/erpnext/docs/user/manual/en/schools/fees/fee-category.md b/erpnext/docs/user/manual/en/schools/fees/fee-category.md
index d6694b5..b333ffe 100644
--- a/erpnext/docs/user/manual/en/schools/fees/fee-category.md
+++ b/erpnext/docs/user/manual/en/schools/fees/fee-category.md
@@ -2,6 +2,6 @@
 
 List of all different type of fees collected.
 
-<img class="screenshot" alt="Fees Category" src="{{url_prefix}}/assets/img/schools/fees/fee-category.png">
+<img class="screenshot" alt="Fees Category" src="{{docs_base_url}}/assets/img/schools/fees/fee-category.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/fees/fee-structure.md b/erpnext/docs/user/manual/en/schools/fees/fee-structure.md
index 08d09e5..a796b0c 100644
--- a/erpnext/docs/user/manual/en/schools/fees/fee-structure.md
+++ b/erpnext/docs/user/manual/en/schools/fees/fee-structure.md
@@ -2,6 +2,6 @@
 
 A Fee Structure is a template that can be used while making fee records.
 
-<img class="screenshot" alt="Fees Structure" src="{{url_prefix}}/assets/img/schools/fees/fee-structure.png">
+<img class="screenshot" alt="Fees Structure" src="{{docs_base_url}}/assets/img/schools/fees/fee-structure.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/fees/fees.md b/erpnext/docs/user/manual/en/schools/fees/fees.md
index 242abf8..5745ec1 100644
--- a/erpnext/docs/user/manual/en/schools/fees/fees.md
+++ b/erpnext/docs/user/manual/en/schools/fees/fees.md
@@ -3,6 +3,6 @@
 Maintain a record of fees collected from students.
 The [Fee Structure]({{docs_base_url}}/user/manual/en/schools/fees/fee-structure.html) is fetched based on the selected Program and Academic Term.
 
-<img class="screenshot" alt="Fees" src="{{url_prefix}}/assets/img/schools/fees/fees.png">
+<img class="screenshot" alt="Fees" src="{{docs_base_url}}/assets/img/schools/fees/fees.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/fees/index.md b/erpnext/docs/user/manual/en/schools/fees/index.md
index f75c537..ab07182 100644
--- a/erpnext/docs/user/manual/en/schools/fees/index.md
+++ b/erpnext/docs/user/manual/en/schools/fees/index.md
@@ -2,7 +2,7 @@
 
 This section contains 'Fee' related documents.
 
-<img class="screenshot" alt="Fees Section" src="{{url_prefix}}/assets/img/schools/fees/fees-section.png">
+<img class="screenshot" alt="Fees Section" src="{{docs_base_url}}/assets/img/schools/fees/fees-section.png">
 
 ### Topics
 
diff --git a/erpnext/docs/user/manual/en/schools/index.md b/erpnext/docs/user/manual/en/schools/index.md
index e2172ff..16fd31d 100644
--- a/erpnext/docs/user/manual/en/schools/index.md
+++ b/erpnext/docs/user/manual/en/schools/index.md
@@ -1,6 +1,6 @@
 
 The School Modules is designed to meet requirements of Schools, Colleges & Educational Institutes.
 
-<img class="screenshot" alt="Fees Section" src="{{url_prefix}}/assets/img/schools/module.png">
+<img class="screenshot" alt="Fees Section" src="{{docs_base_url}}/assets/img/schools/module.png">
 
 {index}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/schedule/course-schedule.md b/erpnext/docs/user/manual/en/schools/schedule/course-schedule.md
index 9c27f61..d766f66 100644
--- a/erpnext/docs/user/manual/en/schools/schedule/course-schedule.md
+++ b/erpnext/docs/user/manual/en/schools/schedule/course-schedule.md
@@ -3,13 +3,13 @@
 Course Schedule is the schedule of a session conducted by an Instructor for a particular Course.
 You can see the overall course schedule in the Calendar view.
 
-<img class="screenshot" alt="Course Schedule" src="{{url_prefix}}/assets/img/schools/schedule/course-schedule.png">
+<img class="screenshot" alt="Course Schedule" src="{{docs_base_url}}/assets/img/schools/schedule/course-schedule.png">
 
 ### Marking Attendance
 
 You can mark attendance for a Student Group against a Course Schedule.
 
-<img class="screenshot" alt="Course Schedule Attendance" src="{{url_prefix}}/assets/img/schools/schedule/course-schedule-att.png">
+<img class="screenshot" alt="Course Schedule Attendance" src="{{docs_base_url}}/assets/img/schools/schedule/course-schedule-att.png">
 
 - To make attendance, expand the attendance section.
 - Check the students who were present for that session.
@@ -20,6 +20,6 @@
 Once you have marked Attendance against a Course Schedule the Attendance section in the Course Schedule shall be hidden. 
 A View Attendance button shall appear. Click on that button to view all attendance records created against that Course Schedule.
 
-<img class="screenshot" alt="Course Schedule Attendance" src="{{url_prefix}}/assets/img/schools/schedule/course-schedule-att-1.png">
+<img class="screenshot" alt="Course Schedule Attendance" src="{{docs_base_url}}/assets/img/schools/schedule/course-schedule-att-1.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/schedule/examination.md b/erpnext/docs/user/manual/en/schools/schedule/examination.md
index cd5d838..14bc182 100644
--- a/erpnext/docs/user/manual/en/schools/schedule/examination.md
+++ b/erpnext/docs/user/manual/en/schools/schedule/examination.md
@@ -2,7 +2,7 @@
 
 The Examination record can be used to track the exam schedule and the results of that exam.
 
-<img class="screenshot" alt="Examination" src="{{url_prefix}}/assets/img/schools/schedule/examination.png">
+<img class="screenshot" alt="Examination" src="{{docs_base_url}}/assets/img/schools/schedule/examination.png">
 
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/schedule/index.md b/erpnext/docs/user/manual/en/schools/schedule/index.md
index 3fd993e..8d343bf 100644
--- a/erpnext/docs/user/manual/en/schools/schedule/index.md
+++ b/erpnext/docs/user/manual/en/schools/schedule/index.md
@@ -1,6 +1,6 @@
 # Schedule
 
-<img class="screenshot" alt="Schedule Section" src="{{url_prefix}}/assets/img/schools/schedule/schedule-section.png">
+<img class="screenshot" alt="Schedule Section" src="{{docs_base_url}}/assets/img/schools/schedule/schedule-section.png">
 
 ### Topics
 
diff --git a/erpnext/docs/user/manual/en/schools/schedule/scheduling-tool.md b/erpnext/docs/user/manual/en/schools/schedule/scheduling-tool.md
index 84b3908..a5eb9f2 100644
--- a/erpnext/docs/user/manual/en/schools/schedule/scheduling-tool.md
+++ b/erpnext/docs/user/manual/en/schools/schedule/scheduling-tool.md
@@ -2,7 +2,7 @@
 
 This tool can be used to create 'Course Schedules'. 
 
-<img class="screenshot" alt="Scheduling Tool" src="{{url_prefix}}/assets/img/schools/schedule/scheduling-tool.png">
+<img class="screenshot" alt="Scheduling Tool" src="{{docs_base_url}}/assets/img/schools/schedule/scheduling-tool.png">
 
 ### Creating Course Schedules
 
diff --git a/erpnext/docs/user/manual/en/schools/schedule/student-attendance.md b/erpnext/docs/user/manual/en/schools/schedule/student-attendance.md
index 474b543..ef89e5d 100644
--- a/erpnext/docs/user/manual/en/schools/schedule/student-attendance.md
+++ b/erpnext/docs/user/manual/en/schools/schedule/student-attendance.md
@@ -2,6 +2,6 @@
 
 Maintains attendance record of the student. Attendance Records can be created against Course Schedules.
 
-<img class="screenshot" alt="Student Attendance" src="{{url_prefix}}/assets/img/schools/schedule/student-attendance.png">
+<img class="screenshot" alt="Student Attendance" src="{{docs_base_url}}/assets/img/schools/schedule/student-attendance.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/academic-term.md b/erpnext/docs/user/manual/en/schools/setup/academic-term.md
index dbce6d9..f268fd0 100644
--- a/erpnext/docs/user/manual/en/schools/setup/academic-term.md
+++ b/erpnext/docs/user/manual/en/schools/setup/academic-term.md
@@ -1,6 +1,6 @@
 # Academic Term
 
-<img class="screenshot" alt="Academic Term" src="{{url_prefix}}/assets/img/schools/setup/academic-term.png">
+<img class="screenshot" alt="Academic Term" src="{{docs_base_url}}/assets/img/schools/setup/academic-term.png">
 
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/academic-year.md b/erpnext/docs/user/manual/en/schools/setup/academic-year.md
index 4a15393..1d836f8 100644
--- a/erpnext/docs/user/manual/en/schools/setup/academic-year.md
+++ b/erpnext/docs/user/manual/en/schools/setup/academic-year.md
@@ -1,5 +1,5 @@
 # Academic Year
 
-<img class="screenshot" alt="Academic Year" src="{{url_prefix}}/assets/img/schools/setup/academic-year.png">
+<img class="screenshot" alt="Academic Year" src="{{docs_base_url}}/assets/img/schools/setup/academic-year.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/course.md b/erpnext/docs/user/manual/en/schools/setup/course.md
index da5fa37..b6c1aca 100644
--- a/erpnext/docs/user/manual/en/schools/setup/course.md
+++ b/erpnext/docs/user/manual/en/schools/setup/course.md
@@ -1,5 +1,5 @@
 # Course
 
-<img class="screenshot" alt="Course" src="{{url_prefix}}/assets/img/schools/setup/course.png">
+<img class="screenshot" alt="Course" src="{{docs_base_url}}/assets/img/schools/setup/course.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/index.md b/erpnext/docs/user/manual/en/schools/setup/index.md
index 5a360dd..23054ad 100644
--- a/erpnext/docs/user/manual/en/schools/setup/index.md
+++ b/erpnext/docs/user/manual/en/schools/setup/index.md
@@ -1,6 +1,6 @@
 # Setup
 
-<img class="screenshot" alt="Setup Section" src="{{url_prefix}}/assets/img/schools/setup/setup-section.png">
+<img class="screenshot" alt="Setup Section" src="{{docs_base_url}}/assets/img/schools/setup/setup-section.png">
 
 ### Topics
 
diff --git a/erpnext/docs/user/manual/en/schools/setup/instructor.md b/erpnext/docs/user/manual/en/schools/setup/instructor.md
index adbfe2a..7bfd348 100644
--- a/erpnext/docs/user/manual/en/schools/setup/instructor.md
+++ b/erpnext/docs/user/manual/en/schools/setup/instructor.md
@@ -1,5 +1,5 @@
 # Instructor
 
-<img class="screenshot" alt="Instructor" src="{{url_prefix}}/assets/img/schools/setup/instructor.png">
+<img class="screenshot" alt="Instructor" src="{{docs_base_url}}/assets/img/schools/setup/instructor.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/program.md b/erpnext/docs/user/manual/en/schools/setup/program.md
index 813019b..2f1c207 100644
--- a/erpnext/docs/user/manual/en/schools/setup/program.md
+++ b/erpnext/docs/user/manual/en/schools/setup/program.md
@@ -1,5 +1,5 @@
 # Program
 
-<img class="screenshot" alt="Program" src="{{url_prefix}}/assets/img/schools/setup/program.png">
+<img class="screenshot" alt="Program" src="{{docs_base_url}}/assets/img/schools/setup/program.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/setup/room.md b/erpnext/docs/user/manual/en/schools/setup/room.md
index 052e962..9ec39e8 100644
--- a/erpnext/docs/user/manual/en/schools/setup/room.md
+++ b/erpnext/docs/user/manual/en/schools/setup/room.md
@@ -1,6 +1,6 @@
 # Room
 
 
-<img class="screenshot" alt="Room" src="{{url_prefix}}/assets/img/schools/setup/room.png">
+<img class="screenshot" alt="Room" src="{{docs_base_url}}/assets/img/schools/setup/room.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/student/student-batch.md b/erpnext/docs/user/manual/en/schools/student/student-batch.md
index 0f29d46..3a6c82f 100644
--- a/erpnext/docs/user/manual/en/schools/student/student-batch.md
+++ b/erpnext/docs/user/manual/en/schools/student/student-batch.md
@@ -2,6 +2,6 @@
 
 Student batch is a collection of students from Student Groups.
 
-<img class="screenshot" alt="Student" src="{{url_prefix}}/assets/img/schools/student/student-batch.png">
+<img class="screenshot" alt="Student" src="{{docs_base_url}}/assets/img/schools/student/student-batch.png">
 
 {next}
diff --git a/erpnext/docs/user/manual/en/schools/student/student-group-creation-tool.md b/erpnext/docs/user/manual/en/schools/student/student-group-creation-tool.md
index 1fcd87c..c5e23b7 100644
--- a/erpnext/docs/user/manual/en/schools/student/student-group-creation-tool.md
+++ b/erpnext/docs/user/manual/en/schools/student/student-group-creation-tool.md
@@ -1,6 +1,6 @@
 This tool allows you to create student groups in bulk. You can specify multiple parameters to create them.
 
 
-<img class="screenshot" alt="Student Group Creation Tool" src="{{url_prefix}}/assets/img/schools/student/student-group-creation-tool.png">
+<img class="screenshot" alt="Student Group Creation Tool" src="{{docs_base_url}}/assets/img/schools/student/student-group-creation-tool.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/student/student-group.md b/erpnext/docs/user/manual/en/schools/student/student-group.md
index eaa60f7..91118c7 100644
--- a/erpnext/docs/user/manual/en/schools/student/student-group.md
+++ b/erpnext/docs/user/manual/en/schools/student/student-group.md
@@ -3,6 +3,6 @@
 A student group is a collection of students taking a same course. You can create Course Schedules and Examinations against a Student Group.
 A student group needs to be created for every course in a particular academic term and academic year.
 
-<img class="screenshot" alt="Student Group" src="{{url_prefix}}/assets/img/schools/student/student-group.png">
+<img class="screenshot" alt="Student Group" src="{{docs_base_url}}/assets/img/schools/student/student-group.png">
 
 {next}
\ No newline at end of file
diff --git a/erpnext/docs/user/manual/en/schools/student/student-log.md b/erpnext/docs/user/manual/en/schools/student/student-log.md
index 787dacb..028d136 100644
--- a/erpnext/docs/user/manual/en/schools/student/student-log.md
+++ b/erpnext/docs/user/manual/en/schools/student/student-log.md
@@ -3,6 +3,6 @@
 You can make a note of student activities using student log.
 Logs can be categorised as 'General', 'Academic', 'Medical' or 'Achievement'
 
-<img class="screenshot" alt="Student" src="{{url_prefix}}/assets/img/schools/student/student-log.png">
+<img class="screenshot" alt="Student" src="{{docs_base_url}}/assets/img/schools/student/student-log.png">
 
 {next}
diff --git a/erpnext/docs/user/manual/en/schools/student/student.md b/erpnext/docs/user/manual/en/schools/student/student.md
index a86d36e..2caaf06 100644
--- a/erpnext/docs/user/manual/en/schools/student/student.md
+++ b/erpnext/docs/user/manual/en/schools/student/student.md
@@ -5,6 +5,6 @@
 
 You can view everything related to a particular student on this page. Eg : Fees, Student Group, etc
 
-<img class="screenshot" alt="Student" src="{{url_prefix}}/assets/img/schools/student/student.png">
+<img class="screenshot" alt="Student" src="{{docs_base_url}}/assets/img/schools/student/student.png">
 
 {next}