OpenAL Audio Files

Including static and dynamic linkable library stuff for openal with a
small guide on manually building static openal-soft.
Update makefile for SDL2 on Mac
Added SDL2 static binary for Linux64
Added SDL2 static binary for Mac64
Improvements to makefile for OpenAL
Updating OpenAL static library for Windows

Built using CMAKE flag set to STATIC, to ensure correct flags
Including latest openal-soft files
Patch SDL2 build to include timers on Mac
Rebuild SDL2 for Mac64 with timers
Try setting /MT for Windows SDL2 builds
Add FORCE_32BIT option to SDL2 builds, add 32-bit Mac SDL2 lib
Fix SDL2 compile on Linux
Update Linux64 binary for SDL2, add Linux version
Almost have SDL2 statically linking on Windows
Dynamically link SDL2 on Windows for now, until the LIBCRT business is sorted
Got SDL2 building statically on Windows
Add patch files for SDL2 Windows compile
Guard Windows modifications to SDL2 std include
Update Android binaries, add armv7 versions, update makefile
Fix OpenAL build for Linux