New commits:
commit 1f17cbe9d9be0a14df5e3b64f2673f20e62586b1
Author: George Sherwood <gsherwood AT sourcemage.org>
Commit: George Sherwood <gsherwood AT sourcemage.org>
thunderbird: Updated to version 3.1.3. SECURITY_PATCH++. Changed from
upstream key to source hash due to change in who is signing tarball.