**/Makefile.kmk: Cosmetic changes.
A filter driver sample.
NOINST -> INSTTYPE=none; adding DEBUG_INSTTYPE=both if the NOINST was because of code signing. This will make the .PDBs be installed into stage/debug/ for signed drivers (i.e. with .INF files).
Automated rebranding to Oracle copyright/license strings via filemuncher
Devices/Samples: Some idle hacking from a good while back.