Create a gem skeleton. [#2]
Add gem boilerplate. [#2]
Use MiniTest::Spec. [#2]
Test on 1.9 and 2.0. [#2]
Ignore ruby-version file so that gem maintainers can easily develop on different Rubies. [#2]
Fill in blanks in Gemfile.
Merge branch '2-gem-infrastructure' [closes #2]
Add CodeClimate hooks. [#3]
Merge branch '3-code-climate' [closes #3]