Drop support for ruby 1.9
Drop support for ruby 1.9

Both platforms that this module supports ship with 2.x versions of Ruby
and I'd like not to support 1.9 anymore.  Here we drop testing support.

buzzdeee/puppet-bsd,buzzdeee/puppet-bsd,danieldreier/puppet-bsd,xaque208/puppet-bsd,xaque208/puppet-bsd