Add puppet-lxc submodule.
Add puppet-buildbot submodule.
Add puppet-chroot submodule.
Add puppet-apache-ant submodule.
Add puppet-apache-maven submodule.
Add puppet-cabal submodule.
Add puppet-python-scons submodule.
Add puppet-sbt submodule.
Add puppet-google-sdks submodule.
Rename continuum to apache-continuum.