LL-832 #close Added check to prevent form resubmission.
LL-832 #close Added check to prevent form resubmission.

The check for form resubmission prevention will not let user resubmit
the form if the authentication call is in progress. Not using ajaxLoader
as an indicator, the submit buttons are just disabled.

learning-layers/BitsAndPieces,learning-layers/BitsAndPieces