Merged with Upstream
Merge Desktop SoundEffect into main SoundEffect.
Fix SoundEffect constructor for non-Desktop platforms
Redundant line of code...
Sound.cs is not necessary on Desktop platforms.
Windows and Linux AudioLoaders were identical, move to Desktop Audio.
Shrink one of the SoundEffect constructors.
Fix CreateInstance bug for Windows/Linux
Buildfix for Windows
LoadAudioStream is for OpenAL only
By using the direct method of setting the blend and depth/stencil states we touch less objects and remove the possibility of garbage generation.
Eliminated some garbage creation when updating dynamic vertex buffers.
Merge branch 'd3dgarbage2' into d3dgarbage
Eliminated garbage creation for dynamic index buffers.
Merge pull request #1871 from SickheadGames/d3dgarbage

DirectX Garbage Reduction
New MonoGame content pipeline now "works" for Linux
Improve font rendering on non-Windows platform.
Merge pull request #1879 from hach-que/develop

New MonoGame content pipeline now "works" for Linux
Bump ThirdParty/Libs Added MacOS support for the ManagedPVRTC.dll
Fixed location of pvrtc.dll's in the MonoGame.Framework.Content.Pipeline.Windows.csproj