Enhance Resolver to trace rejects if cannot propagate.
Deferred - restored use constructor callbacks ( so the feature is available if desired )
SXMHeadlessPlayer now registers and AutoPlay service. Simply call start() to auto-login and auto-play the `chill` channel.
Merge branch 'master' of https://github.com/CodeCatalyst/promise-as3

Conflicts:
	src/com/codecatalyst/promise/Resolver.as
Implementation of URLLoaderAdaptor

Promise.when() now has support for async URLLoader responses; via URLLoaderAdapter
URLLoaderAdapter now auto-registers the `adapt()` function with the Promise.when adapter registry.