Minor changes to the logger (was necessary for the integration of jAssimp)

Minor changes to the logger (was necessary for the integration of jAssimp)
Fixed face winding bugs (cw now ...)
jAssimp incremental Update
3DS hierarchy bug fixed
Added "MakeVerboseFormat" postprocess step
Viewer bugfixes

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@41 67173fc5-114c-0410-ac8e-9d2fd5bffc1f