Added ARM and QNX as possible graphics vendors
Added soft implementation of glMapBufferRange and skeleton of glBindBufferRange
Separated OpenGL version parsing to separate function
Confirmed "Imagination" as a return for GL_VENDOR
Readded qglBindMultiTextureEXT for OpenGL ES code as there is a soft function if an actual function doesn't exist
Added OpenGL ES support for checking for sRGB support
OpenGL ES now gets the extension pointer for glMapBuffer
Documentation and todos for implementing/replacing OpenGL functions to use on OpenGL ES
If OpenGL ES 3.0 is available, fence sync is available
Preprocessor-ed out Windows-specific code and desktop OpenGL error printouts