Storing back times + query.thread based caching
Adding text-dn to both roomid_texts and each `roomid-<threadId>-texts in LS
Added a cache save on text-dn
Added a call to saveCache
Merge conflicts resolved
Added ArrayCache support for arbitary value based caching.
Formatted code using brackets beautify plugin.
Added delims for ArrayCache on back and away for query.room.threads
Fix for the time stamp not getting reset on changing conversation.
Removed a few debug logs
Query with null time forwarded to server.
Merge branch 'master' into localStorageChanges

Conflicts:
	localStorage/localStorage-client.js
Fix for msg rendering on thread view.
Disable query.thread caching.
Merge pull request #123 from scrollback/localStorageChanges

Local storage changes: