colorname cleanup


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5045 07af1644-1164-4067-b897-63bf4dc9b748
don't need sigusr2 in master


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5046 07af1644-1164-4067-b897-63bf4dc9b748
Merge remote-tracking branch 'sauerlab/master'

Conflicts:
	engine/master.cpp