Also, a piece of unitialialized memory should now be fixed.
there's a con_centertext cvar added
an extra default particle texture.
further dp protocol compatability stuff.
EF_ADDATIVE works on models and supposedly sprites. will do sw sprites too at some point.
Linux makefile needs work still.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@1017 fc73d0e0-1445-4013-8a0c-d673dee63da5
