Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #327 from AvadootNachankar/mongokit

Functionality Implemented: Edit Plus(+) for editing SystemTypes via admin-interface.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
'Read video' tab-label renamed to 'Read'
Bug resolved: Page-names with unicode values were giving error
Now appropraite values get saved in modified_by and contributors fields for newly created SystemTypes.