Merge pull request #137 from AvadootNachankar/mongokit

Bug resolved: Nodes in collection-list (in right-drawer while editing) comes in sequence.
create_group duplicating group_name validation modified
Merge pull request #138 from anujag/mongokit

create_group duplicating group_name validation modified
Description in collection-view and nodes-list-view modified.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit