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.
Merge pull request #152 from anujag/mongokit

group member count modified
updated methods.py
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
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
Merge pull request #154 from anujag/mongokit

minor changes in group.html
Enable image tab view
Copy code from video to file template
Merge pull request #155 from planemad/mongokit

Copy code from image and video dashboard into file template
Soften content corners with subtle radius
Merge pull request #156 from planemad/mongokit

Minor CSS fixes
group redirection bug resolved
Merge pull request #157 from krishna31/mongokit

group redirection bug resolved
Clean sidebar content in group dashboard
Mathjax has not been installed in the repo. Using cdn instead