Merge pull request #134 from heuripedes/master

Fix x86 build and memcpy() ub
Cleanup Makefile
Some buildfixes for gles2glide64
(gles2glide64) Backport polygon offset patches
(Makefile) Move back to gles2glide64
(gles2glide64) Glitch64/textures.c - take out TEXBSP
Set GLIDE2GL to 1 again
(Glide64) Add back rebased gles2glide64 - going to rebase against this
N/A
N/A pt. 2
(Windows) Fix build