ProcessHierarchy's changes to support reading from a remote URL in
ProcessDatabase).

a much less formalistic way.  Just keeping this around for possible
future reference.

files with (optional) comment stripping, blank line skipping, whitespace
removal, and line joining with trailing backslashes.

	installations; it was picking up a stale config.h from an
	overwritten installation.

get_config_h_filename, get_makefile_filename, parse_config_h, and
parse_makefile.