disallow incoming connections on client


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5031 07af1644-1164-4067-b897-63bf4dc9b748
better DDS fallback


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5032 07af1644-1164-4067-b897-63bf4dc9b748
scale textures for dds fallback


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5033 07af1644-1164-4067-b897-63bf4dc9b748
fix vector growth factor to be 1.5 instead of 2


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5034 07af1644-1164-4067-b897-63bf4dc9b748
just use new[] for vector instead of realloc


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5036 07af1644-1164-4067-b897-63bf4dc9b748
clang warning fixes


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5037 07af1644-1164-4067-b897-63bf4dc9b748
Shader isnull cleanup


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5038 07af1644-1164-4067-b897-63bf4dc9b748
Merge remote-tracking branch 'sauerlab/master'

Conflicts:
	engine/client.cpp
	engine/texture.cpp
	engine/texture.h