Removed comment to show the folder icon for collection
Script added to create themes for Mahagyan group
Merge pull request #518 from sunnychaudhari/mongokit

Script added for "Mahagyan" group to create themes hierarchy
Added the annotations field to GSystem class
Updated the add_fields_to_existing_documents file to add the field to all GSystems.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit