Merge pull request #395 from kedar2a/mongokit

Tested.
Added CSS for graph dropdown list and little modification of graph json
Generalized batch mode command according to the emacs org-mode version
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #396 from supriyasawant/mongokit

Generalized batch mode command according to the emacs org-version
Modified Template and well indented.