Basic implementation of gridfs with uploading file and retriving file on browser
Merge https://github.com/gnowledge/gstudio into mongokit

Conflicts:
	gnowsys-ndf/gnowsys_ndf/ndf/urls.py
	gnowsys-ndf/gnowsys_ndf/ndf/views.py
Basic implementation of gridfs to upload file and retrive file on browser
Merge pull request #18 from krishna31/mongokit

Basic implementation of gridfs with uploading file and retriving file on browser