dnbert/prm — pull request #27 by mfoo (2013-09-02 15:27:51+00:00)
Title: Fix pre ruby 1.9.2

I tried installing prm on ruby 1.8.6, which works OK but then fails when running as `require_relative` is not available.

This PR fixes this by using require with a full path. It also removes two unused variables from `repo.rb` and bumps the version to `0.2.2`.