CSS: minor fixes
Merge pull request #197 from sunnychaudhari/mongokit

Bug resolved regarding user login and log out for creating user group
Move collection to sidebar
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Removed json.parse error and added hyperlinks to graph nodes.
Added graph overlay.
Merge pull request #198 from kedar2a/mongokit

Updated graph with some modifications.
Integrate page_details to node_details_base
Merge
CSS:Update label style
CSS: formatting
Merge pull request #199 from planemad/mongokit

UI Updates
Fixed the bug regarding displaying groups & removed redundant code for creating user group