optimized query for getting videos from wetube
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
separate tab for pandora_video
conflict in filldb.py resolved
Merge pull request #319 from krishna31/mongokit

 Adding AttributeTypes,RelationTypes,SystemType by json file
separate tab created for pandora video
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
changes in file template
Merge pull request #320 from supriyasawant/mongokit

separate tab created for pandora_video
MetaType added to collection_tuple; and try-catch blocks implemented in Node class's save() function.
Code added to save modified_by and contributors wherever missing.
Merge branch 'mongokit-dev' into mongokit
Merge pull request #321 from AvadootNachankar/mongokit

Bug resolved: Regarding modified_by field in models.py file (line #395)
under construction file wedget for custom app