WIP of separating Android sound and implementing proper Dispose pattern.
Merge branch 'MaxMipLevel' into develop
Merge branch 'develop' of github.com:mono/MonoGame into audio-android-dispose
Merge branch 'develop' of github.com:mono/MonoGame into audio-android-dispose
OpenAL and XAudio pooled and explicit instances tested with proper Dispose pattern.
Added throw of NoAudioHardwareException for OpenAL if drivers could not be loaded.
Fix PSM compile error.
Merge branch 'develop' of https://github.com/mono/MonoGame into develop
Add support for float3x2 matrices
Merge pull request #2685 from flyingdevelopmentstudio/EffectParameterFloat3x2

Effect parameter float3x2
Merge pull request #2677 from KonajuGames/audio-android-dispose

Add Android SoundEffect classes and Dispose pattern
Merge back from develop