Merge pull request #179 from makfire/mongokit

Url filtering & Group policies modified regarding join/edit group
Changes regarding re-placing Image & Video Menu under File Menu as Tabs.
Changes regarding re-placing Image & Video Menu-options under File Menu as Tabs.
Update file.html
Merge pull request #180 from AvadootNachankar/mongokit

Re-placing Image & Video Menu-options under File menu-option as Tabs
Implemented graph with nroer graph script
Merge pull request #181 from kedar2a/mongokit

Implemented graph with nroer graph script
creating sub Document for implementing Moderation