[minor] setup wizard language fix and no submit messages for gl/sl entry
diff --git a/erpnext/accounts/doctype/gl_entry/gl_entry.py b/erpnext/accounts/doctype/gl_entry/gl_entry.py
index ae4dae0..4e7928d 100644
--- a/erpnext/accounts/doctype/gl_entry/gl_entry.py
+++ b/erpnext/accounts/doctype/gl_entry/gl_entry.py
@@ -10,8 +10,8 @@
 from frappe.model.document import Document
 
 class GLEntry(Document):
-
 	def validate(self):
+		self.flags.ignore_submit_comment = True
 		self.check_mandatory()
 		self.pl_must_have_cost_center()
 		self.validate_posting_date()
diff --git a/erpnext/setup/page/setup_wizard/setup_wizard.py b/erpnext/setup/page/setup_wizard/setup_wizard.py
index b80d55e..819e244 100644
--- a/erpnext/setup/page/setup_wizard/setup_wizard.py
+++ b/erpnext/setup/page/setup_wizard/setup_wizard.py
@@ -28,7 +28,7 @@
 
 		args = frappe._dict(args)
 
-		if args.language != "english":
+		if args.language and args.language != "english":
 			set_default_language(args.language)
 
 		install_fixtures.install(args.get("country"))
diff --git a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
index 97e7c20..de6b3a6 100644
--- a/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
+++ b/erpnext/stock/doctype/stock_ledger_entry/stock_ledger_entry.py
@@ -14,6 +14,7 @@
 
 class StockLedgerEntry(Document):
 	def validate(self):
+		self.flags.ignore_submit_comment = True
 		from erpnext.stock.utils import validate_warehouse_company
 		self.validate_mandatory()
 		self.validate_item()