Merge pull request #148 from planemad/mongokit

UI Updates
change in group_dash_board
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #149 from anujag/mongokit

changes in group_dashboard
 Implemented d3 graph in the page details.
Merge pull request #151 from kedar2a/mongokit

 Implemented d3 graph in the page details.
group member count modified
Merge pull request #152 from anujag/mongokit

group member count modified
Url redirection modified to 'page_details' after a page is created.
Validation added for name field and html element's placeholders changed.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #153 from AvadootNachankar/mongokit

Create page URL modified & Validation added for name field
minor changes in group.html
Merge pull request #154 from anujag/mongokit

minor changes in group.html
Enable image tab view
Copy code from video to file template