VID-1502 Track clicks on "Add a video" button
VID-1502 adding tracking to placeholders and some code cleanup
VID-1502 code cleanup
VID-1502 removing ga commented
VID-1502 js-beautify and jshint
VID-1502 jshint
VID-1502 jshint
Merge branch 'VideoSprint48' into VID-1502
VID-1502 jshint
Merge pull request #3611 from Wikia/VID-1502

Vid 1502