initial 2.x commits based on clean fork of media_youtube

i18n integration - you can now translate messages
Integer and not Decimal stock as default
Small Bug fixes

OVERVIEW
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Bug fixes and updates for grunt modules
- fixed problem with imagemin hanging when adding new files to the source directory
- updated grunt, grunt-contrib-concat, grunt-contrib-uglify, grunt-notify, grunt-contrib-imagemin, grunt-contrib-watch, grunt-spritesmith, and grunt-autoprefixer

Dev release.

Dev release.