Update CMakeLists.txt
Update glsl_optimizer_tests.cpp

Linux support
check _MSC_VER < 1800 to add support for VS2013 who introduces support for some C99 features
Merge pull request #38 from promethe42/patch-1

check _MSC_VER < 1800 to add support for VS2013 who introduces support f...
Merge pull request #30 from r-lyeh/master

Linux support
[docs] Changelog
Xcode 5 project update
Xcode 5, move files to xcode5 folder
mac: use CGL instead of legacy AGL
mac: create Core profile context as well, will be used to check ES3 shaders soon