Fix error return code from quite_cmd_* macros.
Fix quiet build logging.  Logs now have all terse output along with full commands.
Kill COMPONENT_PREFIX is favor of more canonical $(DESTDIR)$(prefix) idiom.
Present stderr to to console and buildlog.
Add installhere targets.
Move scripts to their own directory so other entities we add don't get lost.
Merge latest zenmagic.mk across all bin targets.