We now correctly skip over dsp effects and rpc stuff.
We now support playing ADPCM compressed XACT audio on DirectX platforms.
SoundBank loading now occurs at construction just like in XNA.
Made SoundBank member variables much clearer.
Moved stream seeking into SoundBank.
Cleaned up unnessasarily long stream and reader names.
Merge branch 'develop' into xact4
Implemented SoundBank.PlayCue(string, AudioListener, AudioEmitter).
Implemented another complex cue variant.
Decoded some of the instance limiting data.
Merge pull request #2962 from SickheadGames/xact4

More XAct Improvements