* 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.
