look-ma-no-sources ebuild: convert to scripted tool ebuild

Signed-off-by: Gregory M. Tuner <gmt@be-evil.net>
look-ma-no-sources.ebuild: drop 0.1 which doesn't work yet.

Signed-off-by: Gregory M. Tuner <gmt@be-evil.net>
update skel.metadata.xml to match look-ma-no-sources.ebuild

Signed-off-by: Gregory M. Tuner <gmt@be-evil.net>