Realign stack for SDL/win32 builds. Yes, annoying, and costs performance.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12111 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=0afeccfe1289b64245baf48979b6a694d077b6f0
miscellaneous fixes from graphitemaster

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12106 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=bd8b9a2b1e5464f18a7a2e6e573201d6aa9dbcca
gltexture_t->glisdepthstencil fix

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12107 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=22dac77bc9bd23097c69404c6d0f5160c5330dc1
specify depth and stencil attachments separately (combined attachment is only available in GL >= 3.0)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12108 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=8d5d46a8e8d2d015be6912419960f1a5a65ea49b
more miscellaneous fixes from graphitemaster

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12109 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=cb6472b4ced79f6cd093756c6483699761cf674d
fix Con_Printf in Mod_Q2BSP_LoadNodes

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12110 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=b4488d1563f5fa00036b2ccacfda344c3f0f254e