This also implicitly gets rid of the convFVF hack in
IDirect3DVertexDeclaration9Impl_Release().

dmusic: Replace debugstr_DMUS_OBJECTDESC by a specific dump function to avoid debug buffer overflow.

kernel32: Limit dwTotalPageFile in GlobalMemoryStatus to 4Gb minus 512kb for apps that do not expect so much memory.

This is mostly based on the COM cleanup scripts by Michael Stefaniuc.