3akai-ux, Etherpad-lite and Hilary are now installable via an Ubuntu package.
Added all dse dependencies.
Split out installs for etherpad and hilary
into a git and apt subclass.
Performance and QA environment should use git to pull down their sources.
Merge pull request #19 from simong/packed-hilary-3akai-ux

Added the ability to use the packed versions of 3akai-ux, etherpad or Hilary