Make sure the machine_tag gem is installed during the compile phase.
Clean up Test Kitchen run lists and remove include_recipe from fake recipes.
Add #rightscale IRC channel on freenode to Travis CI config.
Fix links and phrasing in README.
Explain unset GEM_HOME workaround in a comment.
Fix up YARD documentation.
Fix up logic:

- Change query_timeout option to use seconds
- Mock sleep in unit tests
- Clean up do_query and search interfaces
- Make sure the unit tests cover everything