Fixed sf::SoundBuffer returning wrong duration for sounds containing more than ~4.3 million samples
Fixed RenderTarget::resetGLStates() not explicitly setting the default polygon mode (glPolygonMode) (#480)
Fixed MSVC version detection code in CMake files
Changed VS version to MSVC version and added support for VS 2013 and TDM compilers.
Merge pull request #482 from eXpl0it3r/master

Added support for VS 2013 and TDM compilers in build files.
Removed the hack that copied external libs into SFML static libs, users now have to link them explicitly
Merge branch 'master' of https://github.com/criptych/SFML