Merge branch 'master' into next
Merge branch 'master' into next
Merge the dedicatedserver and server global variables

Previously in Lua, dedicatedserver would only return true if the player running the script was the one hosting the dedicated server. In all other cases, it would return nil. This fixes it to point to the server host no matter what.
Use gcc_struct on ATTRPACK too
Merge remote-tracking branch 'origin/master' into next
Merge remote-tracking branch 'Sryder13/master'
whiteline checkup
Fix hardware / r_opengl warnings.
Merge remote-tracking branch 'origin/master' into next
Use OpenGL 1.3 in static builds and on SDL interfaces
Merge remote-tracking branch 'origin/master' into next
SRB2 2.1.12 release
DunceEnchilada had been glared at
Merge remote-tracking branch 'upstream/master'