* Remove bad redefinition of glActiveTexture and glBlendColor pointer
* Remove glew dependency on linux
* s/OGL_DEBUG/ENABLE_OGL_DEBUG/ and enable it on debug
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5512 96395faa-99c1-11dd-bbfe-3dabce05a288
* move GL loading function into its own namespace
* Use manual GL loading on linux too and mostly drop glew dependency. (Not 100% clean we are still depends on some glew define, it will be fixed later)
Note: shaders still need to be copied manually from GSdx/res to bin/plugins
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5510 96395faa-99c1-11dd-bbfe-3dabce05a288
gregory.hainaut