Added a Video button to the toolbar, and anchor popover. Recognizes and inserts videos from YouTube, Instagram, Vine, Vimeo, and DailyMotion
Merge remote-tracking branch 'upstream/master'. jQuery convention wel -> $. Added Locale vars for Video.

Conflicts:
	summernote.js
Missed a wel -> $
Merge pull request #127 from cdownie/master

Video Button