extract openAL specifics into separate file
implemented sample size calculations in DynamicSoundEffectInstance
Implement DynamicSoundEffectInstance for OpenAL

Added AudioTestFixtureBase for writing real audio tests.

Added integration test for DynamicSoundEffectInstance with sample wav file
based on http://msdn.microsoft.com/en-us/library/ff827591.aspx

Fixed MonoGame.Tests.MacOS solution to conform to project guidelines.
Implemented DynamicSoundEffectInstance Pause and Resume

added a test for looping a clip and another for pausing and playing
again.
call DynamicSoundEffectInstance.BufferNeeded as documented

http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.audio.dynamicsoundeffectinstance.bufferneeded.aspx
move public methods to main partial class

Fixed code formatting in the main DynamicSoundEffectInstance partial
class.
fix formatting settings in MonoGame.Tests.MacOS
RenderTarget improvements

- Add MSAA support when available (WindowsGL, iOS and Android)
- Add render to cubemap support
- Better Framebuffer object management
Merge remote-tracking branch 'remote1/dynamic-sound-effect' into develop

Conflicts:
	MonoGame.Framework/Audio/DynamicSoundEffectInstance.cs
	Test/MonoGame.Tests.MacOS.csproj
Merge branch 'develop' of http://github.com/chusschi/MonoGame into develop
Merge branch 'rendertarget-MSAA' of https://github.com/flyingdevelopmentstudio/MonoGame into develop
Revert "Merge branch 'rendertarget-MSAA' of https://github.com/flyingdevelopmentstudio/MonoGame into develop"

This reverts commit 4ddabb638fa91ec1b9e97c145cad3cd0aa02cf1e, reversing
changes made to b42975f3450e8a2fd45ddb3083fcc28ca2d0b36d.
Switched FBOs to be stored per RenderTarget instead of only one on the GraphicsDevice (improves performance on Linux nVidia drivers)
Merge remote-tracking branch 'remote2/develop' into develop
Disable pressed keys on focused window.