added workflow help, fixed button primary action in form and refactored permissions

hr/doctype/expense_claim/expense_claim.py

@@ -32,10 +32,6 @@ class DocType:
 	def validate(self):
 		# if self.doc.exp_approver == self.doc.owner:
 		# 	webnotes.msgprint("""Self Approval is not allowed.""", raise_exception=1)
-
-		import utilities
-		utilities.validate_status(self.doc.approval_status, ["Draft", "Approved", "Rejected"])
-
 		self.validate_fiscal_year()
 		self.validate_exp_details()
 			

hr/doctype/leave_application/leave_application.py

@@ -32,10 +32,6 @@ class DocType:
 		
 	def validate(self):
 		# if self.doc.leave_approver == self.doc.owner:
-		# 	webnotes.msgprint("""Self Approval is not allowed.""", raise_exception=1)
-		import utilities
-		utilities.validate_status(self.doc.status, ["Open", "Approved", "Rejected"])
-
 		self.validate_to_date()
 		self.validate_balance_leaves()
 		self.validate_leave_overlap()
@@ -43,7 +39,7 @@ class DocType:
 		
 	def on_submit(self):
 		if self.doc.status != "Approved":
-			webnotes.msgprint("""Only Approved Leave Applications can be Submitted.""",
+			webnotes.msgprint("""Only Leave Applications with status 'Approved' can be Submitted.""",
 				raise_exception=True)
 
 	def get_holidays(self):

website/doctype/product_settings/product_settings.py

@@ -10,4 +10,8 @@ class DocType:
 	def on_update(self):
 		"""clear web cache"""
 		from website.utils import clear_cache
-		clear_cache()
+		clear_cache()
+		
+		if self.doc.default_product_category:
+			webnotes.model_wrapper("Item Group", 
+				self.doc.default_product_category).save()