Minor fixes in payroll entry and opening invoice tool
diff --git a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
index f173376..f09e8db 100644
--- a/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
+++ b/erpnext/accounts/doctype/opening_invoice_creation_tool/opening_invoice_creation_tool.py
@@ -4,7 +4,7 @@
 
 from __future__ import unicode_literals
 import frappe
-from frappe import _
+from frappe import _, scrub
 from frappe.utils import flt
 from frappe.model.document import Document
 
@@ -68,29 +68,18 @@
 		for row in self.invoices:
 			if not row.qty:
 				row.qty = 1.0
-			if not row.party:
-				frappe.throw(mandatory_error_msg.format(
-					idx=row.idx,
-					field=_("Party"),
-					invoice_type=self.invoice_type
-				))
+
 			# set party type if not available
 			if not row.party_type:
 				row.party_type = "Customer" if self.invoice_type == "Sales" else "Supplier"
 
-			if not row.posting_date:
-				frappe.throw(mandatory_error_msg.format(
-					idx=row.idx,
-					field=_("Party"),
-					invoice_type=self.invoice_type
-				))
-
-			if not row.outstanding_amount:
-				frappe.throw(mandatory_error_msg.format(
-					idx=row.idx,
-					field=_("Outstanding Amount"),
-					invoice_type=self.invoice_type
-				))
+			for d in ("Party", "Posting Date", "Outstanding Amount", "Due Date", "Temporary Opening Account"):
+				if not row.get(scrub(d)):
+					frappe.throw(mandatory_error_msg.format(
+						idx=row.idx,
+						field=_(d),
+						invoice_type=self.invoice_type
+					))
 
 			args = self.get_invoice_dict(row=row)
 			if not args:
diff --git a/erpnext/hr/doctype/payroll_entry/payroll_entry.js b/erpnext/hr/doctype/payroll_entry/payroll_entry.js
index 3f00166..cf15846 100644
--- a/erpnext/hr/doctype/payroll_entry/payroll_entry.js
+++ b/erpnext/hr/doctype/payroll_entry/payroll_entry.js
@@ -37,7 +37,7 @@
 		if (!slip_status.draft && !slip_status.submitted) {
 			return;
 		} else {
-			frm.add_custom_button("View Salary Slips",
+			frm.add_custom_button(__("View Salary Slips"),
 				function() {
 					frappe.set_route(
 						'List', 'Salary Slip', {posting_date: frm.doc.posting_date}
@@ -47,13 +47,11 @@
 		}
 
 		if (slip_status.draft) {
-			frm.add_custom_button("Submit Salary Slip",
+			frm.add_custom_button(__("Submit Salary Slip"),
 				function() {
 					submit_salary_slip(frm);
-				},
-				__('Make')
-			);
-			frm.page.set_inner_btn_group_as_primary(__('Make'));
+				}
+			).addClass("btn-primary");
 		}
 	},
 
@@ -182,7 +180,7 @@
 // Submit salary slips
 
 const submit_salary_slip = function (frm) {
-	frappe.confirm(__('This will create a Journal Entry. Do you want to proceed?'),
+	frappe.confirm(__('This will submit Salary Slips and create accrual Journal Entry. Do you want to proceed?'),
 		function() {
 			frappe.call({
 				method: 'submit_salary_slips',
@@ -190,7 +188,7 @@
 				callback: function() {frm.events.refresh(frm);},
 				doc: frm.doc,
 				freeze: true,
-				freeze_message: 'Creating Journal Entries...'
+				freeze_message: 'Submitting Salary Slips and creating Journal Entry...'
 			});
 		},
 		function() {