Fix Vagrant provision errors on perl packages

Brute-force install packages with yum instead of Puppet to avoid yum
repo dependency issue.
Remove unneeded/confusing comment
Merge pull request #13 from gchaix/master

Fox Vagrant build/provision errors
Added initial code for syncing using soft deleted files
Merge branch 'master' into softdelete to get the changes done by gchaix to fix vagrant vms