rake diff: Strip out comments in
Use released Mab
Sync camping.rb and camping-unabridged.rb
Better Markaby compat #55
Tweak Gemfile:

* mab is in gemspec anyway
* use minitest everywhere
Make sure we're using MiniTest
Mab inserts doctype now
Server: Also catch 405 from Rack::File
shrunk camping down just a little bit, tests seem to pass so I'm pushing it. However some other test is failing that was failing before
README + book ch1 now in markdown
book ch2 in markdown
book ch2 in markdown
book 51_upgrading in markdown
removed old book files
added travis-ci build status to README
fixed some links
fixed some links
fixed some links
fixed some links
fixed some links