Add method to check that a page is already open
Add verifyResponse() call to shouldBeOpen()
Change name to isOpen()
Make return boolean, add initial specs
Added getter for PageFactory
Introduce acceptance tests.
Better feedback on failed step.
Improve scenario title.
Merge pull request #28 from jakzal/features

Add acceptance tests
Add acceptance criteria for "Verifying if a page is open" feature.
Merge remote-tracking branch 'aderuwe/patch-1' into feature/29-verifying-if-a-page-is-open
Enable first implemented scenario.
Make sure the file name matches the class name.
Fix the expected message.

The exception will actually be coming from the context.
Implement url verification.
Merge remote-tracking branch 'mjsilva/master' into page-factory-accessor
Throw an exception if the page factory is not available but accessed.
Merge pull request #31 from jakzal/page-factory-accessor

Page factory accessor
Document page verification methods.
Clarify scenario titles.