The core of Android is released from AOSP under a combination of the Apache and GPLv2 licenses. Ruby is released under the GPLv2 license, which can be found below:
Ruby ROM - A custom Android OS built from AOSP Copyright (C) 2010 Austen Dicken (CVPCS) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
None have been reported yet.
All bug reports and feature requests will be done through Bugzilla, an issue tracker hosted on this site. It requires a valid email to register (which is only used for tracking which users have what bugs), and provides a much better interface to report and track problems or features.
You can find the CCRoms Bugzilla here: CCRoms Bugzilla
I do this on my free time simply because I love it and want to provide something great to the community. That being said, I would love to be able to devote more time to doing this as a living. If you like the work that I do, please consider making a contribution!