GSdx: Added a vector class for AVX2 and upgraded a few functions to use it, still a lot to do. New project config AVX2, _M_SSE = 0x501, only use it if you have haswell. Might break GCC or older MSVC, please test it.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5652 96395faa-99c1-11dd-bbfe-3dabce05a288
GSdx: attempting to fix vs2010 project files, I don't have it installed anymore.

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5653 96395faa-99c1-11dd-bbfe-3dabce05a288
GSdx: one more try to fix vs2010

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5654 96395faa-99c1-11dd-bbfe-3dabce05a288