Initial work for forum UI.
edited template for new urls
group remove from menu bar for other than home group
created templatetag for groupid to groupname
generate new urls
methods change for checking of groupname and groupid
Merge pull request #449 from anujag/mongokit

modified edit_policy in groups
conflict resolved
conflict resolved
Modified create forum page also removed DateTime-picker.
Merge branch 'mongokit' of https://github.com/gnowledge/gstudio into mongokit
Merge pull request #451 from anujag/mongokit

modified publish policy for groups
Merge pull request #450 from Dhiru/mongokit

Generated new URLS
Created seperate page for creating thread
Improved create_thread page look
separate the url of custom app
Merge pull request #453 from Dhiru/mongokit

separate the url of custom app
Done with populating threads in clean format.
Provided hyperlink to forum and thread-reply initial work
Modified thread banner and org-editor textarea for thread reply