Further work on 3DS light and camera support + target animation.
Removed obsolete files & directories.
AssimpPCH.h outputs the current build config now (MSVC only)
Simplified foreach workaround
Fixed compilation error in the DLL build
git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@258 67173fc5-114c-0410-ac8e-9d2fd5bffc1f