#3914: let sitting idles play on legs channel instead of torso only

git-svn-id: https://svn.thedarkmod.com/svn/darkmod_src/trunk@6141 49c82d7f-2e2a-0410-a16f-ae8f201b507f
#3664 Allow fog to be used for atmospheric effects with caulk skies

git-svn-id: https://svn.thedarkmod.com/svn/darkmod_src/trunk@6142 49c82d7f-2e2a-0410-a16f-ae8f201b507f
Supplemental minor commit for #3664. I accidentally separated a comment from the line it applies to.

git-svn-id: https://svn.thedarkmod.com/svn/darkmod_src/trunk@6143 49c82d7f-2e2a-0410-a16f-ae8f201b507f