[minor] set timezone in posting time and added help

erpnext/change_log/current/current.md

@@ -0,0 +1,7 @@
+- Watch help videos in new module "Learn"
+- Letter head and Terms removed from Purchase Invoice
+- Renaming Discount fields to "Discount on Price List Rate"
+- Backup manager: You you can choose which backup to download
+- "Reserved Warehouse" is renamed "Delivery Warehouse" in Sales Order
+- Timezone fixes: See all time-stamps in Events etc in your timezone, if you are not in the system timezone.
+- Fixes to POS

erpnext/public/js/utils.js

@@ -132,4 +132,17 @@ $.extend(erpnext.utils, {
 			);
 		}
 	}
-})
+});
+
+// add description on posting time
+$(document).on('app_ready', function() {
+	if(!frappe.datetime.is_timezone_same()) {
+		$.each(["Stock Reconciliation", "Stock Entry", "Stock Ledger Entry",
+			"Delivery Note", "Purchase Receipt", "Sales Invoice"], function(i, d) {
+			frappe.ui.form.on(d, "onload", function(frm) {
+				cur_frm.set_df_property("posting_time", "description",
+					sys_defaults.time_zone);
+			});
+		});
+	}
+});