First release after beta

Fixed following issues after last beta release:

Github #166, Messaging: unposted content alert
Github issue #579, General: allow "admin" role to have same rights as "manager" role
Github issue #574, Discussions: no footer on Discussion tab
Github issue #568, Dashboard: status update thread is too "sticky"
Github issue #572, Messaging: Owner response post missing from status update
Github issue #561, General: Redirect connectv2.topcoder.com to connect.topcoder.com
Github issue #587, Comments Sort order within a topic is incorrect
Github issue #585, Ignore 'user-joined' type posts in Topic comments
Updated footer links
Removed beta from logo