Lookup release name correctly. Fixes #1880.
Lookup release name correctly. Fixes #1880.

getrelease.sh now looks up release name after the URI of one of the type
specified in the man page.

elkangaroo/chroagh,elkangaroo/chroagh,elkangaroo/chroagh,elkangaroo/chroagh,elkangaroo/chroagh,elkangaroo/chroagh