http://trac-hacks.org/svn/navaddplugin/0.9#egg=NavAdd
http://trac-hacks.org/svn/timingandestimationplugin/branches/trac0.11#egg=timingandestimationplugin
http://svn.edgewall.org/repos/trac/plugins/0.11/mercurial-plugin#egg=TracMercurial
http://github.com/mrjbq7/tracstats/tarball/master#egg=TracStats
