add RxJS v2.2.28
remove source tarball in rxjs, that was my fault
update RxJS's package.json to latest, follow official version
[author] update jquery.postcodify to 1.8.3
Merge pull request #3579 from kijin/master

[author] update jquery.postcodify to 1.8.3
add backbone.marionette v2.0.2