YUI and Loader build for last Gallery build
Merge remote-tracking branch 'upstream/dev-master' into dev-master
[loader] Fixed Gallery build tag

Regarding YUI Gallery Deprecation Announcement [1], it needs to removes the
script to fetches the Gallery version and fixes the Gallery build tag. The last
build tag is "gallery-2014.06.12-21-45".

Default Gallery build tag within YUI will be "@GALLERY@" without this changes.

[1]: http://www.yuiblog.com/blog/2014/06/16/yui-gallery-deprecation-announcement/
Merge remote-tracking branch 'upstream/dev-master' into dev-master
`navigate()` falls through to window.location on no matching route.
Don't handleFallThrough if different origin.
Remove option, rename attrib, remove console.log, use @SINCE@
Remove no-longer-necessary local var.
Update tests for fallThrough fix.
Merge branch 'fixed-gallery-tag' of github.com:okuryu/yui3 into okuryu-fixed-gallery-tag
Add pjax build files.