UC-18 Add Tracking for Facebook interactions
Add tracking for when logged into FB, but not Wikia FB app
UC-18 Make tracker code local
Address feedback from @lizlux
Move submitFbSignupHandler to UserLoginFacebookForm per @lizlux
Remove accidental code
Add server side tracking for FB connect
Merge VideoSprint59 conflicts:
extensions/FBConnect/prefs.js
Merge VideoSprint59 conflicts:
extensions/FBConnect/prefs.js
Merge pull request #5101 from Wikia/UC-18

UC-18 Add Tracking for Facebook interactions