Fixed Date Filter Issue

Allowed 'From' and 'To' to ''
Fixed Date Issue

Allowed 'From' and 'To' Date to ''
Removed Popups on switch tabs
Removed Popups on switch tab

Removed Date and error popups when page is unloaded
Merge remote-tracking branch 'manoj-remote/Issue_32' into issues
Merge remote-tracking branch 'manoj-remote/Issue_38' into issues