Merge pull request #271 from YungSang/youtube

Fix YouTube extractor
Change config for my dev build
Ignore generated files by grunt
No increment for a local build
Force to use env.version after error on drone.io
Add gif.js
Remove sourceMappingURL to release
Add encoding.js
Add Patches.require()
Fix Patches.require
Drop MochKit
Merge branch 'refs/heads/my_config' into dev
Merge branch 'refs/heads/gif' into dev
Merge branch 'refs/heads/encoding' into dev
Merge branch 'refs/heads/require' into dev