[feature] Added Section Breaks to Grids for better visual hierarchy

selling/doctype/opportunity_item/opportunity_item.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2013-02-22 01:27:51", 
   "docstatus": 0, 
-  "modified": "2013-03-07 07:03:26", 
+  "modified": "2013-07-10 11:52:34", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -80,14 +80,9 @@
  }, 
  {
   "doctype": "DocField", 
-  "fieldname": "basic_rate", 
-  "fieldtype": "Currency", 
-  "hidden": 1, 
-  "label": "Basic Rate", 
-  "oldfieldname": "basic_rate", 
-  "oldfieldtype": "Currency", 
-  "options": "Company:company:default_currency", 
-  "print_hide": 1
+  "fieldname": "quantity_and_rate", 
+  "fieldtype": "Section Break", 
+  "label": "Quantity and Rate"
  }, 
  {
   "doctype": "DocField", 
@@ -97,6 +92,17 @@
   "oldfieldname": "qty", 
   "oldfieldtype": "Currency"
  }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "basic_rate", 
+  "fieldtype": "Currency", 
+  "hidden": 1, 
+  "label": "Basic Rate", 
+  "oldfieldname": "basic_rate", 
+  "oldfieldtype": "Currency", 
+  "options": "Company:company:default_currency", 
+  "print_hide": 1
+ }, 
  {
   "doctype": "DocField", 
   "fieldname": "uom", 

selling/doctype/quotation_item/quotation_item.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2013-03-07 11:42:57", 
   "docstatus": 0, 
-  "modified": "2013-07-09 12:24:21", 
+  "modified": "2013-07-10 11:52:06", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -79,6 +79,12 @@
   "reqd": 1, 
   "width": "300px"
  }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "quantity_and_rate", 
+  "fieldtype": "Section Break", 
+  "label": "Quantity and Rate"
+ }, 
  {
   "default": "0.00", 
   "doctype": "DocField", 
@@ -217,6 +223,12 @@
   "search_index": 0, 
   "width": "100px"
  }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "reference", 
+  "fieldtype": "Section Break", 
+  "label": "Reference"
+ }, 
  {
   "doctype": "DocField", 
   "fieldname": "item_group", 

selling/doctype/sales_order_item/sales_order_item.txt

@@ -2,7 +2,7 @@
  {
   "creation": "2013-03-07 11:42:58", 
   "docstatus": 0, 
-  "modified": "2013-07-09 12:28:31", 
+  "modified": "2013-07-10 11:41:52", 
   "modified_by": "Administrator", 
   "owner": "Administrator"
  }, 
@@ -76,6 +76,12 @@
   "search_index": 1, 
   "width": "300px"
  }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "quantity_and_rate", 
+  "fieldtype": "Section Break", 
+  "label": "Quantity and Rate"
+ }, 
  {
   "default": "0.00", 
   "doctype": "DocField", 
@@ -203,6 +209,12 @@
   "reqd": 0, 
   "width": "100px"
  }, 
+ {
+  "doctype": "DocField", 
+  "fieldname": "warehouse_and_reference", 
+  "fieldtype": "Section Break", 
+  "label": "Warehouse and Reference"
+ }, 
  {
   "doctype": "DocField", 
   "fieldname": "reserved_warehouse",