Removed obsolete back end compilers.
Merge branch 'clean50' of github.com:vvvv/vvvv into clean50
Merge branch 'clean50' of github.com:vvvv/vvvv into clean50
Initiate link drawing on left click only.
Merge branch 'clean50' of github.com:vvvv/vvvv into clean50

* 'clean50' of github.com:vvvv/vvvv:
  Initiate link drawing on left click only.
  Added support to read and write constants via runtime.
  Removed obsolete back end compilers.
first preparations for testing partial application
Added first basic support for private helper types / members. There seem to be issues with generic classes.
sketching apply primitive
Added two hacks to Microsoft.Cci.ReflectionEmitter in order to make anonymous delegates work with generic types.
Merge remote-tracking branch 'origin/abstractionOverFunctionality50' into clean50-partial-application
Some fixes in emitter code.
Some fixes in emitter code.
First steps. Won't compile, just temporary commit.
Merge branch 'develop' into clean50
Merge branch 'clean50' into clean50-opengl-shader-tests

Conflicts:
	public/common/src/nodes/newkids/Graphics/OpenGL/RendererState.Designer.cs
	public/common/src/nodes/newkids/Graphics/OpenGL/RendererState.cs
	public/common/src/nodes/newkids/Graphics/OpenGL/RendererState.resx
	public/common/src/nodes/newkids/RendererState.Designer.cs
	public/common/src/nodes/newkids/RendererState.cs
	public/common/src/nodes/newkids/RendererState.resx
	vvvv50/src/nodes/newkids/RendererState.Designer.cs
	vvvv50/src/nodes/newkids/RendererState.cs
	vvvv50/src/nodes/newkids/RendererState.resx
Added extension method IEnumerable<U>.OfType<T>().
CAUTION: This needs to be tested with striked out pins. Those lines caused a "name already in assembly" exception with nested types.
added regions to source & view
no implicit creation of state fields for node applications with connected state input pin
Fix: The method GetField of the reflection mapper was buggy (not finished).