Add Ruby 2 to the CI
Move readme snippet from bug fixes to features.
Merge pull request #261 from JonRowe/patch-1

Move readme snippet from bug fixes to features.
Add 'getting help' section to README
`save_screenshot` is public API in Capybara

- https://github.com/jnicklas/capybara#debugging
Merge pull request #264 from tricknotes/modify-readme

`save_screenshot` is public API in Capybara
Windows support

* Adding termination signal for Windows platform.
* Fixing tests to run in Windows.
* Updated README.