Merge pull request #750 from AvadootNachankar/mongokit

MIS updates - File upload bug resolved
data review: removed left aside block
data review: error while getting resources from author group resolved
Merge pull request #751 from kedar2a/mongokit-explore-resources

data-review table removing left aside element. And populating resources in User group error resolved
submit-button label toggles: 'Register' on create/register-form and 'Update' on edit-form
For few attributes of Student GSystemType - Validations implemented & New values added
Disable GAPPs for time being from college groups: Task, Batch, Meeting
print statements commeneted.