Merge pull request #377 from kedar2a/mongokit

Modified queries to correct location saving issue
ajax url for online editing users
ajax methods for online editing users
ajax code for online editing users
Merge branch 'mongokit' of github.com:gnowledge/gstudio into mongokit
Merge pull request #378 from Dhiru/mongokit

visibility of online user editing
created .gitignore based on typical Python development environment and our project
UI language modified for consistency. slight change in gitignore to include css files and exlude mathjax
Added location widget in custom widget