Retirement Age option in HR Settings
diff --git a/erpnext/hr/doctype/employee/employee.py b/erpnext/hr/doctype/employee/employee.py
index 4919229..8257ec2 100755
--- a/erpnext/hr/doctype/employee/employee.py
+++ b/erpnext/hr/doctype/employee/employee.py
@@ -186,7 +186,12 @@
 	ret = {}
 	if date_of_birth:
 		try:
-			dt = getdate(date_of_birth) + datetime.timedelta(21915)
+			retirement_age = frappe.db.get_single_value("HR Settings", "retirement_age")
+			if retirement_age:
+				dt = getdate(date_of_birth) + datetime.timedelta(int(retirement_age)*365.2425)
+			else:
+				dt = getdate(date_of_birth) + datetime.timedelta(21914.55)
+			
 			ret = {'date_of_retirement': dt.strftime('%Y-%m-%d')}
 		except ValueError:
 			# invalid date
diff --git a/erpnext/hr/doctype/hr_settings/hr_settings.json b/erpnext/hr/doctype/hr_settings/hr_settings.json
index 561f013..599aacc 100644
--- a/erpnext/hr/doctype/hr_settings/hr_settings.json
+++ b/erpnext/hr/doctype/hr_settings/hr_settings.json
@@ -2,6 +2,7 @@
  "allow_copy": 0, 
  "allow_import": 0, 
  "allow_rename": 0, 
+ "beta": 0, 
  "creation": "2013-08-02 13:45:23", 
  "custom": 0, 
  "docstatus": 0, 
@@ -36,6 +37,33 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
+   "default": "", 
+   "description": "Enter retirement age in years", 
+   "fieldname": "retirement_age", 
+   "fieldtype": "Data", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "label": "Retirement Age", 
+   "length": 0, 
+   "no_copy": 0, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "default": "Naming Series", 
    "description": "Employee record is created using selected field. ", 
    "fieldname": "emp_created_by", 
@@ -165,13 +193,14 @@
  "hide_toolbar": 0, 
  "icon": "icon-cog", 
  "idx": 1, 
+ "image_view": 0, 
  "in_create": 0, 
  "in_dialog": 0, 
  "is_submittable": 0, 
  "issingle": 1, 
  "istable": 0, 
  "max_attachments": 0, 
- "modified": "2016-04-26 05:54:32.501880", 
+ "modified": "2016-06-25 17:43:06.643469", 
  "modified_by": "Administrator", 
  "module": "HR", 
  "name": "HR Settings", 
@@ -191,6 +220,8 @@
    "print": 1, 
    "read": 1, 
    "report": 0, 
+   "restrict": 0, 
+   "restricted": 0, 
    "role": "System Manager", 
    "set_user_permissions": 0, 
    "share": 1, 
@@ -198,7 +229,9 @@
    "write": 1
   }
  ], 
+ "quick_entry": 0, 
  "read_only": 0, 
  "read_only_onload": 0, 
- "sort_order": "ASC"
+ "sort_order": "ASC", 
+ "track_seen": 0
 }
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