make an effort to make model skin colours not complete eyesores
Added files to VS2012 project.
NavLights.cpp/h
scenegraph/Lua.cpp/h
scenegraph/LuaModelSkin.cpp
scenegraph/ModelSkin.cpp/h
scenegraph/NodeCopyCache.h
Merge remote-tracking branch 'fluffyfreak/UpdateVS2012SG'
Update COMPILING.txt with sigc++-2.0 hint for later Ubuntus
Merge remote-tracking branch 'abramhindle/master'