remove customer table and added user table
Validate Registration page

add validation on Registration page
Merge with Poona's Code.

Merge with Poona's Code.
Merge remote-tracking branch 'origin/Kuldeep' into Tarun
Update code related to User instead of Customer from Krupa.

Update code related to User instead of Customer from Krupa.
Merge remote-tracking branch 'origin/Kuldeep' into Tarun