mod(regional,italy): Updates to Italian Localization

fixes:
removed cleanup_files from italy/utils
removed extract_doc_number from italy/utils
added country filter to italian localization patch
replaced dict assignment with dot operator in prepare_invoice
correcions in e-invoice xml following changes in prepare_invoice
added setup_report in patch
added section for e-invoicing custom fields in company
added Italy in test_company

erpnext/controllers/accounts_controller.py

@@ -94,6 +94,8 @@ class AccountsController(TransactionBase):
 			if self.is_return:
 				self.validate_qty()
 
+		validate_regional(self)
+
 	def validate_invoice_documents_schedule(self):
 		self.validate_payment_schedule_dates()
 		self.set_due_date()
@@ -1132,3 +1134,15 @@ def update_child_qty_rate(parent_doctype, trans_items, parent_doctype_name):
 	p_doctype.update_blanket_order()
 	p_doctype.update_billing_percentage()
 	p_doctype.set_status()
+
+@erpnext.allow_regional
+def validate_regional(doc):
+	pass
+
+@erpnext.allow_regional
+def on_submit_regional(doc):
+	pass
+
+@erpnext.allow_regional
+def on_cancel_regional(doc):
+	pass