Rewrite check_resource plugin to use the puppet lexer
Rewrite check_resource plugin to use the puppet lexer

This saves the world from some god-awful regex abuse that would have been
required otherwise.

Now with support for arrays of titles (yay)

Closes #5

raphink/puppet-lint,rodjek/puppet-lint,danzilio/puppet-lint,keeleysam/puppet-lint,toby82/puppet-lint,rothsa/puppet-lint,alphagov/puppet-lint,vStone/puppet-lint,yulis/puppet-lint,paulgeringer/puppet-lint,Rovanion/puppet-lint