Merge pull request #511 from AvadootNachankar/mongokit

Bug resolved - Listing number of members of the group; and Action-buttons listing updated in resource's detail-view
Now app urls accepts the app name in lower case
Conflict resolved in url patterns
Merge pull request #512 from sunnychaudhari/mongokit

Conflict resolved in url patterns
Two images related to ajax loader(/wait) added in static/ndf/images.
Radio buttons formatted in Collection-edit tab
Urls updated: MIS and Observation GAPPs
Collection tab updated - Group-wise collection nodes displayed