[minor] In Sales Order, changed label from PO No. to Customer's Purchase Order
diff --git a/erpnext/selling/doctype/sales_order/sales_order.json b/erpnext/selling/doctype/sales_order/sales_order.json
index a9734bf..f749707 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.json
+++ b/erpnext/selling/doctype/sales_order/sales_order.json
@@ -381,14 +381,14 @@
    "allow_on_submit": 0, 
    "bold": 0, 
    "collapsible": 0, 
-   "description": "Customer's Purchase Order Number", 
+   "description": "", 
    "fieldname": "po_no", 
    "fieldtype": "Data", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "in_filter": 0, 
    "in_list_view": 0, 
-   "label": "PO No", 
+   "label": "Customer's Purchase Order", 
    "no_copy": 0, 
    "oldfieldname": "po_no", 
    "oldfieldtype": "Data", 
@@ -407,14 +407,14 @@
    "bold": 0, 
    "collapsible": 0, 
    "depends_on": "eval:doc.po_no", 
-   "description": "Customer's Purchase Order Date", 
+   "description": "", 
    "fieldname": "po_date", 
    "fieldtype": "Date", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "in_filter": 0, 
    "in_list_view": 0, 
-   "label": "PO Date", 
+   "label": "Customer's Purchase Order Date", 
    "no_copy": 0, 
    "oldfieldname": "po_date", 
    "oldfieldtype": "Date", 
@@ -2553,7 +2553,7 @@
  "is_submittable": 1, 
  "issingle": 0, 
  "istable": 0, 
- "modified": "2015-08-26 08:31:08.753604", 
+ "modified": "2015-08-27 02:44:24.437994", 
  "modified_by": "Administrator", 
  "module": "Selling", 
  "name": "Sales Order", 
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 53969e8..44ea664 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -36,7 +36,7 @@
 				and customer = %s", (self.po_no, self.name, self.customer))
 			if so and so[0][0] and not \
 				cint(frappe.db.get_single_value("Selling Settings", "allow_against_multiple_purchase_orders")):
-				frappe.msgprint(_("Warning: Sales Order {0} already exists against same Purchase Order number").format(so[0][0]))
+				frappe.msgprint(_("Warning: Sales Order {0} already exists against Customer's Purchase Order {1}").format(so[0][0], self.po_no))
 
 	def validate_for_items(self):
 		check_list = []
@@ -228,7 +228,7 @@
 		frappe.db.set(self, 'status', 'Submitted')
 		self.update_reserved_qty()
 		frappe.msgprint(_("{0} {1} status is Unstopped").format(self.doctype, self.name))
-				
+
 	def update_reserved_qty(self, so_item_rows=None):
 		"""update requested qty (before ordered_qty is updated)"""
 		item_wh_list = []
@@ -236,11 +236,11 @@
 			if item_code and warehouse and [item_code, warehouse] not in item_wh_list \
 				and frappe.db.get_value("Item", item_code, "is_stock_item"):
 					item_wh_list.append([item_code, warehouse])
-		
+
 		for d in self.get("items"):
 			if (not so_item_rows or d.name in so_item_rows):
 				_valid_for_reserve(d.item_code, d.warehouse)
-						
+
 				if self.has_product_bundle(d.item_code):
 					for p in self.get("packed_items"):
 						if p.parent_detail_docname == d.name and p.parent_item == d.item_code:
diff --git a/erpnext/selling/doctype/selling_settings/selling_settings.json b/erpnext/selling/doctype/selling_settings/selling_settings.json
index 30d7e51..affa38b 100644
--- a/erpnext/selling/doctype/selling_settings/selling_settings.json
+++ b/erpnext/selling/doctype/selling_settings/selling_settings.json
@@ -11,6 +11,8 @@
  "fields": [
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "default": "Customer Name", 
    "fieldname": "cust_master_name", 
    "fieldtype": "Select", 
@@ -32,6 +34,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "campaign_naming_by", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -52,6 +56,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "description": "", 
    "fieldname": "customer_group", 
    "fieldtype": "Link", 
@@ -73,6 +79,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "description": "", 
    "fieldname": "territory", 
    "fieldtype": "Link", 
@@ -94,6 +102,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "selling_price_list", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -114,6 +124,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "column_break_5", 
    "fieldtype": "Column Break", 
    "hidden": 0, 
@@ -132,6 +144,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "so_required", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -152,6 +166,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "dn_required", 
    "fieldtype": "Select", 
    "hidden": 0, 
@@ -172,6 +188,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "maintain_same_sales_rate", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -191,6 +209,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "editable_price_list_rate", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -210,6 +230,8 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "allow_multiple_items", 
    "fieldtype": "Check", 
    "hidden": 0, 
@@ -230,13 +252,15 @@
   }, 
   {
    "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
    "fieldname": "allow_against_multiple_purchase_orders", 
    "fieldtype": "Check", 
    "hidden": 0, 
    "ignore_user_permissions": 0, 
    "in_filter": 0, 
    "in_list_view": 0, 
-   "label": "Allow multiple Sales Orders against a Supplier Purchase Order", 
+   "label": "Allow multiple Sales Orders against a Customer's Purchase Order", 
    "no_copy": 0, 
    "permlevel": 0, 
    "precision": "", 
@@ -258,7 +282,7 @@
  "is_submittable": 0, 
  "issingle": 1, 
  "istable": 0, 
- "modified": "2015-08-25 04:52:06.879614", 
+ "modified": "2015-08-27 02:42:56.512460", 
  "modified_by": "Administrator", 
  "module": "Selling", 
  "name": "Selling Settings",