Topic settings added to User notification settings
removed un-necessary files
cleaned meta_profile.module before adding features
Remove the link 'Add a member' for groups in Draft state
A bug fixed. Caused fatal error in user/register page
Topic search functionality fixed. Views moved into code.
'Convert to a hub' button is shown just to the topic owner.
temprorary cleaning up a template and fixing absolute path problem
no change
Adding 'dropdown-menu' classes to menus (code copied from open_framework)
merged master