Data Viualization for file app - bar and pie chart.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Initial stable code for Meeting app
Deleted unnecessary files
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Slight change in template file
Deleted unnecessary code in files
Merge pull request #557 from sunnychaudhari/mongokit

Now themes and topics identified by their icons
Conflict resolved
Merge branch 'yash33465-mongokit' into mongokit
Merge branch 'mongokit' of https://github.com/ramkarnani/gstudio into ramkarnani-mongokit
Meeting app is enabled , Also removed alerts and print statements
Merge branch 'ramkarnani-mongokit' into mongokit
Fold & Unfold bug resolved code