Updated with code to add/modify modified_by and/or contributors field.
Bug resolved: Faulty values in modified_by and contributors for User-groups and Files
Merge pull request #322 from AvadootNachankar/mongokit

Bug resolved: Faulty values of modified_by and contributors fields in existing documents
Merge branch 'mongokit' of https://github.com/krishna31/gstudio into mongokit
Little modification in views
Merge pull request #323 from sunnychaudhari/mongokit

Little modification in views
Bug resolved in collection module(image & video)
Merge pull request #324 from sunnychaudhari/mongokit

Bug resolved in collection module(image & video)
bug resolved while adding instance to app via designer module
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit