add an option to build against GLES2 instead of OpenGL
Merge pull request #4 from krnlyng/gles

add an option to build against GLES2 instead of OpenGL
Remove deprecated conditions and a unused variable
remove OGLCombinerTNT2
remove Anything DirectX related
Now Rice config params has versionning and a tiny update system
typo fix
Merge pull request #5 from Narann/master

Remove deprecated conditions and a unused variable
Merge branch 'rmdx'
Merge pull request #7 from Narann/master

Remove few (very) old code dating from when Rice was DirectX compatible.
remove Nvidia Combiner. The way config file is updated is not optimal. The API need to be enhenced before merging.
Switch by default to SDL2 for Mupen64Plus 2.1

The current version of SDL is 2.0.3. All new releases of distributions contain
this library already. Current Linux distributions and OpenBSD even backporting
patches from Mupen64Plus 2.1 repo to use SDL 2. Android and other mobile
platform don't have support for legacy SDL 1.2.

People like Anthony J. Bentley and Riley Labrecque already requested
a new release of Mupen64Plus 2.1 with SDL2
SDL 1.2 is not deprecated for us, and we shouldnt frighten the user with 6 lines of exclamation points
use ConfigSetParameterHelp, put the whole update process in a single version increment
Merge pull request #8 from Narann/master

Remove Nvidia combiner and anything related, update config.
use 2 separate checks for config api
remove OGL 1.2 device, make config update more explicit
remove OGL_1_3_DEVICE and COGLColorCombiner2, update config
remove DirectXDecodedMux files (not used anymore)
remove CNvTNTCombiner (should have been removed with TNT2 stuff