Fix typo in Venue

Signed-off-by: abhisek <abhisek.datta@gmail.com>
Deleted as it is in public repo. Sent mail to google group
Sample mailer
Merge from amit tree

Signed-off-by: abhisek <abhisek.datta@gmail.com>
Merge branch 'amit'
Merge branch 'amit'
Added for unicorn
Added dependent destoy for user and teacher.
Given access to ZAO to add pincode
Commented out the API calls which needs to scheduled in Cronjob.
Added Sync_ts and changed sync_id to string
roles_users does not have sync_id, so commented the remove column
Added uniqness validation for role, user and resource
Fixed Error: Teacher's cannot have additional Roles. Error was throwing while showing Access Privillege
Given access to ZOA and Zonal Co-ordinator for ProgramDonation Assignment
Fixed Teacher error in Role drop down. We are not able to add any other role for a teacher.
Fixed Teacher error in Role drop down. We are not able to add any other role for a teacher.
Fixed Access Deinied error Zonal Co-oditnator having zone and no centers
Changed the permissions for managing zone, sector and center
Changed the permissions for pincode
Added rules for ZAO and Zonal Co-ordinator