[t3247] Allow for dropping of new media clips over targets when iframe is blocking mouse events
[t3282] Prevent duplicates of the same clip being added to media gallery
[3398] Fix lint issue on master
[#3279] Change title when source is changed.
Added [3397] Add more to our GA setup -- setDomain to Google Analytics async code.
[#3388] Default to max zoom.
[#3387] Create media from drop fixes In time.
Added GA setDomain method to track users across subdomains.
Bug #3389 - Resolve server paths relative to __dirname
Merge branch 'master' of github.com:mozilla/butter