Prevent synchronization from occurring
Protobuild

Refined the section on protobuild including the link to the wiki docs.
Merge pull request #2279 from hach-que/protobuild-sync

Prevent Protobuild synchronization from occurring
[FNA] #146 adding regions to Graphics/Vertices/
[FNA] #146 adding regions to Graphics/PackedVector/
[FNA] #146 adding regions to bottom half of Graphics/ folder (RenderTargetBinding-Viewport)
[FNA] #146 adding regions to a few more Graphics/ files (ModelMesh - RenderTarget2D)
[FNA] #146 adding regions to the remaining Graphics/ files (DirectionalLight-ModelEffectCollection)
[FNA] #146 removing extra lines before first, after last region. plus regions for a couple files i missed before
[FNA] #146 trying to undo my accidental tabbing change
Merge pull request #171 from extrahotchilipowder/monogame-sdl2

[FNA] #146 adding regions to Graphics/*
Full cleanup of Graphics/Vertices/
Some vars... ugh.
More minor Vertices cleanup
Full cleanup of Graphics/PackedVector/
Merge back from develop, no-op.
Audio/ cleanup
Most of Graphics/ cleaned up.