Merge pull request #8 from tdonohue/master

Refactor Puppet Installation and fix DS-1681 (also seemingly fixes personal GitHub fork issues)
adding probe.xml.erb context fragment template
Merge pull request #9 from hardyoyo/enable-psi-probe-with-context-fragment

adding probe.xml.erb context fragment template
added hierea.yaml, common.yaml, and related configs to enable hiera
corrected syntax errors in common.yaml
simplified the common.yaml config for hiera to just use ant_installer_dir
Merge pull request #10 from hardyoyo/DS-1660-use-hiera

DS-1660, enable using hiera for configuration of vagrant-dspace