- PyAssimp: move structsgen.py script away from /scripts and place it in a sub-folder of port/PyAssimp. This is consistent with the way how SWIG-dependent bindings handle such files.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1049 67173fc5-114c-0410-ac8e-9d2fd5bffc1f