Reindent Content/
Content/: Nuke remaining ++ operators
Content/: Add spaces to remaining control stuctures
Content/: Removed useless preprocessor conditionals
Content/: Nuke remaining -- operators
Content/: FNA license headers
Content/: Clean up line endings, BOMs, encoding
Content/: Use explicit types
Content/: Fix some bracket whitespaces
[FNA] Remove unused defs for Storage

Kills WINDOWS_STOREAPP, PSM, and WINRT paths not relevant to FNA.  Removed
code was specific to mobile stores and not relevant to open FNA targets.
Eliminates SDL2 def checks, as it is now the standard path.
[FNA] Remove unnecessary def's.

Only one change - eliminate DIRECTX path in VertexElement.
Content/: Fix FNA license headers
Merge pull request #154 from extrahotchilipowder/monogame-sdl2

removing #ifs for Input\Touch and Media
Merge pull request #153 from 3vi1/monogame-sdl2

[FNA] Remove unused defs - Storage & Graphics/Vertices
FNA License Cleanup for Input and Input/Touch.
Merge pull request #155 from khbecker/monogame-sdl2

[FNA] License Cleanup for Input and Input/Touch.
Switch to "ASCII text" file format.
Merge pull request #156 from khbecker/monogame-sdl2

Switch to "ASCII text" file format for Graphics/PackedVector/
Removed defs for Graphics/
Merge pull request #157 from khbecker/monogame-sdl2

[FNA] Removed defs for Graphics/