Use capybara matchers directly
Merge pull request #2 from wojtekmach/pure

Use capybara matchers directly
Release 0.3.0
Add Travis
Use https://rubygems.org
Use 1.9 mode for jruby and rbx on Travis
Try Travis
Move assertions and expectations to Capybara

Create Capybara::Assertions and Capybara::Expectations.
Deprecate Minitest::Capybara::Assertions.
Add tests to make sure the expected assertion methods are created.
Add documentation for the assertions and expectations.