DAR-1532: chat storage method for updating room data
DAR-1532: real chat room info implementation
DAR-1532: handling redirects in chat POST requests and updating wikia server address
DAR-1532: updating chat comments for MW requests
DAR-1532: removing unused parameter
DAR-1532: chat address update logging
DAR-1532: moving the chat code around
DAR-1532: adding missing 'var'
DAR-1532: chat additional error logging
Merge pull request #2385 from Wikia/DAR-1532

Dar 1532: changing wiki name is breaking chat module