pre-allocate json responses

git-svn-id: http://dev.socialiqnetworks.com:8000/svn/twitter_realtime/trunk/realtime@17115 075e2974-30bc-4f4c-b7b0-10984a79a163
adding back in comment (test)
removing comment (test)
Merge branch 'master' of https://github.com/twoofy/realtime