Feature: display gems in Gemfile in bold.  update html tests to be more resilient...

This partially addresses issue #4 and displayed Gemfile gems in bold.  It doesn't restrict the output but this might be a good compromise.

![screen shot 2014-02-14 at 6 57 23 pm](https://f.cloud.github.com/assets/16705/2176990/375ac96e-95ed-11e3-9455-1f966ed79336.png)