* test/test-nautilus-mime-actions.c: Simple test program to check
	_for_uri nautilus metadata calls in nautilus.
	* test/Makefile.am: Build test-nautilus-mime-actions
	* Makefile.am, configure.in: add test directory to the build.

	* libnautilus-extensions/nautilus-mime-actions.c
	(nautilus_mime_get_default_action_for_uri,
	nautilus_mime_get_default_application_for_uri,
	nautilus_mime_get_default_component_for_uri): Implemented in the
	same temporary stub way as the other calls.