Removed unused non-XNA method Effect.End().
Made the Effect collection classes immutable.
Changed all Effect classes to use arrays to save memory over List<>.
Added EffectParameterCollection.Empty and EffectAnnotationCollection.Empty which saves alot of memory.
Fixes disappearing SoundEffects on iOS (#1123)
This is accomplished by manually setting the buffer properties if the packet does not decode (MonoTouch bug)

Fixed broken sound buffer debug output
Check in of Single solution projects - from develop branch onlu, no changes reqd

* vs solution - MonoGame.Framework.sln - Manages all windows based solutons

* Xmarin solution - MonoGame.Framework.Xamarin.sln - Manages all solutions supported by Xamaring Studio (Needs Trial or Ent license to build)
Changed fields to remove leading underscore in templates
Fixed Color.Lerp() to not double clamp.
Fixed Color.Multipy() to not double clamp.
Added Color to unit tests.
Mipmap generation for DXT textures.
Mipmap generation for PVRTC compressed textures.
Fixed crash when changing the value of a processor parameter.
Fixed Dll lookup in MGCB to look in executable path.
Optimized away parameter and pass lookup within SpriteBatch.
Optimized away parameter and pass lookup within SpriteBatch.
Merge branch 'spriteopt' of github.com:SickheadGames/MonoGame into spriteopt
Oops... these don't need to be nulled.
We now use the ref/out Matrix methods in SpriteBatch.
Optimized away extra transform in SpriteBatch under GL.
Add missing dispose of ConstantBuffers.
Effect can create an array of ConstantBuffer instances, but these instances were never being disposed properly.
Merge pull request #1652 from slygamer/effect-dispose

Add missing dispose of ConstantBuffers.
Merge pull request #1643 from SickheadGames/colorfix

Color Fix
Merge pull request #1642 from borrillis/develop

Changed fields to remove leading underscore in templates
Fixed MGFX parser to support +/- numbers in sampler and render state values.