Merge pull request #2069 from rhelmer/no-bug-vagrant-install-doc-fixes

(no bug) fix install docs
fix bug 1018623 - opensource mozilla deploy script

Also make this work on Vagrant by switching to 64-bit VM and also
providing production examples of key config files for Puppet to use.

This is the same way that Mozilla does deploys currently, but for a
much simpler/smaller configuration.