Fix pagebreak styling
Calculate dependencies so this builds on old ruby

Ruby 1.8.7 blows up on new versions of nokogiri and redcarpet, so
blacklist those version if we're building on old ruby.
Merge pull request #85 from binford2k/programatically_calculate_dependencies

Calculate dependencies so this builds on old ruby
Ewps. I mistyped the dependencies.
Merge pull request #86 from binford2k/programatically_calculate_dependencies

Ewps. I mistyped the dependencies.
Merge pull request #83 from binford2k/tickets/TRAINTECH-15/pagebreak_styling

Fix pagebreak styling