Updated gemspec, gitignore and README.md with skeleton from a recent 'bundler gem' execution.
Starting preparation of specs.
Added Guardfile for RSpec.
Removing Ruby environment setting files (.ruby-version and .ruby-gemset) from version control. Added proper RSpec support (no Rails, no Capibara).
Replaced license to use Apache-2.0 instead of MIT (which was the default).
Added notifiers to guard setup.
Moved spec_helper requirement to .rspec configuration.