impl for dsc-199 identify pending work.
fixed the validation on parent pid for continuing to upload files.
minor update.
minor update.
code refactor.
work around for session timeout during ajax request.
Merge remote-tracking branch 'origin/master' into identify-pending-work
added serverside validate for bib id bfr contiue to upload files.
Merge remote-tracking branch 'origin/master' into identify-pending-work
added more validation for job identify work page.
minor update to the validation on identify work page.
Merge remote-tracking branch 'origin/master' into identify-pending-work
Merge pull request #404 from nla/identify-pending-work

merged.