splitscreen can now properly be configured via build configs, and potentially more than just 4 seats.
fix splitscreen and enemycolour forcing. forcing now works, but only when all seats are on/spectating the same team.
fix demo playback issue with http urls with webgl that don't allow streaming.
srgb fixes for the scoreboard.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5229 fc73d0e0-1445-4013-8a0c-d673dee63da5
Attempted to clean up build configs slightly, now ALWAYS using a build config.
Now enabling wayland renderer by default on linux (activates by default only when x11 fails).
Given linux servers the ability to chroot (will be used by default if run as suid-root).
Fixed a couple of vulkan warnings.
Makefile now treats speex like any other library.
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5227 fc73d0e0-1445-4013-8a0c-d673dee63da5