Allow Spaceport loader types to be explicit
Load embedded resources by type.

Resource types are given by an "@Type" suffix on the URL
fragment identifier. Valid types include:

* Bitmap
* ByteArray
* DisplayObject
* Sound
Update dist/unrequire.js
Merge branch 'embed-pull'

https://github.com/sibblingz/unrequirejs/pull/2
Fix function name for release mode.
Merge remote-tracking branch 'jonpurdy/embed-pull'
Rebuild unrequire.js