-RM-301-MR-DEB package depends on obsolete ttf-liberation package
We need to change package dependencies for newer ubuntu and debian by depending on fonts-liberation instead of ttf-liberation.
This is tracked here: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=722405
(from redmine: created on 2013-09-20, closed on 2014-03-20)