Tidied up code, added stale repo removal
Merge branch 'master' of github.com:ucam-cl-dtg/urop-2014-git
Added logging to stale repo removal.
Reverted snapshotRepository to use old one

To use mvn deploy in interfaces, open up an SSH session to
urop2014-1.dtg.cl.cam.ac.uk with -L 9000:maven.dtg.cl.cam.ac.uk:80 and
in your settings.xml have something like
<settings>
  <proxies>
    <proxy>
      <active>true</active>
      <protocol>http</protocol>
      <host>localhost</host>
      <port>9000</port>
      <nonProxyHosts>urop2014.dtg.cl.cam.ac.uk</nonProxyHosts>
    </proxy>
  </proxies>
</settings>
Added missing consumes tags and refactored