Add total row in all trends reports (#13010)

* total in sales order trends report

* total in all trends reports
diff --git a/erpnext/accounts/report/purchase_invoice_trends/purchase_invoice_trends.json b/erpnext/accounts/report/purchase_invoice_trends/purchase_invoice_trends.json
index f167d06..dfae780 100644
--- a/erpnext/accounts/report/purchase_invoice_trends/purchase_invoice_trends.json
+++ b/erpnext/accounts/report/purchase_invoice_trends/purchase_invoice_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:46:55", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:16:25.027061", 
+ "modified": "2018-02-21 01:28:31.261299", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Purchase Invoice Trends", 
diff --git a/erpnext/accounts/report/sales_invoice_trends/sales_invoice_trends.json b/erpnext/accounts/report/sales_invoice_trends/sales_invoice_trends.json
index d7837e3..7437550 100644
--- a/erpnext/accounts/report/sales_invoice_trends/sales_invoice_trends.json
+++ b/erpnext/accounts/report/sales_invoice_trends/sales_invoice_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:44:21", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:15:12.885723", 
+ "modified": "2018-02-21 01:28:03.622485", 
  "modified_by": "Administrator", 
  "module": "Accounts", 
  "name": "Sales Invoice Trends", 
diff --git a/erpnext/buying/report/purchase_order_trends/purchase_order_trends.json b/erpnext/buying/report/purchase_order_trends/purchase_order_trends.json
index aabb5b6..ca58c4e 100644
--- a/erpnext/buying/report/purchase_order_trends/purchase_order_trends.json
+++ b/erpnext/buying/report/purchase_order_trends/purchase_order_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:45:01", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:16:13.121638", 
+ "modified": "2018-02-21 01:28:37.416562", 
  "modified_by": "Administrator", 
  "module": "Buying", 
  "name": "Purchase Order Trends", 
diff --git a/erpnext/selling/report/quotation_trends/quotation_trends.json b/erpnext/selling/report/quotation_trends/quotation_trends.json
index 0dae26b..5587cc6 100644
--- a/erpnext/selling/report/quotation_trends/quotation_trends.json
+++ b/erpnext/selling/report/quotation_trends/quotation_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-07 16:01:16", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:15:33.967044", 
+ "modified": "2018-02-21 01:28:14.928929", 
  "modified_by": "Administrator", 
  "module": "Selling", 
  "name": "Quotation Trends", 
diff --git a/erpnext/selling/report/sales_order_trends/sales_order_trends.json b/erpnext/selling/report/sales_order_trends/sales_order_trends.json
index 1ae8957..9dfc7d0 100644
--- a/erpnext/selling/report/sales_order_trends/sales_order_trends.json
+++ b/erpnext/selling/report/sales_order_trends/sales_order_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:43:30", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:15:01.634392", 
+ "modified": "2018-02-20 08:05:46.191588", 
  "modified_by": "Administrator", 
  "module": "Selling", 
  "name": "Sales Order Trends", 
diff --git a/erpnext/stock/report/delivery_note_trends/delivery_note_trends.json b/erpnext/stock/report/delivery_note_trends/delivery_note_trends.json
index 29aeab1..fe133e9 100644
--- a/erpnext/stock/report/delivery_note_trends/delivery_note_trends.json
+++ b/erpnext/stock/report/delivery_note_trends/delivery_note_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:42:11", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:18:32.793637", 
+ "modified": "2018-02-21 01:28:47.049042", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Delivery Note Trends", 
diff --git a/erpnext/stock/report/purchase_receipt_trends/purchase_receipt_trends.json b/erpnext/stock/report/purchase_receipt_trends/purchase_receipt_trends.json
index 3a09b43..696f816 100644
--- a/erpnext/stock/report/purchase_receipt_trends/purchase_receipt_trends.json
+++ b/erpnext/stock/report/purchase_receipt_trends/purchase_receipt_trends.json
@@ -1,5 +1,5 @@
 {
- "add_total_row": 0, 
+ "add_total_row": 1, 
  "apply_user_permissions": 1, 
  "creation": "2013-06-13 18:45:44", 
  "disabled": 0, 
@@ -7,7 +7,7 @@
  "doctype": "Report", 
  "idx": 3, 
  "is_standard": "Yes", 
- "modified": "2017-02-24 20:16:00.211762", 
+ "modified": "2018-02-21 01:28:22.682161", 
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Purchase Receipt Trends",