sweepstake- add validation to fields
sweepstake  - registration page
Merge remote-tracking branch 'origin/92.1-sweepstakes-manage' into UAT
Merge branch 'UAT' of https://github.com/subodh4codaemon/redlemon into UAT
Merge branch 'UAT' of https://github.com/subodh4codaemon/redlemon into UAT