Implicitly wait for the page url to be displayed within some amount of time.
Reduce dependency on Capybara.default_wait_time by wrapping in locally controlled variable.
Remove test for wait_until_displayed method which was added and subsequently removed from the Page class.
Add tests for new Waiter class and implicit wait functionality for the Page.displayed? method.
Merge pull request #1 from centro/wait_for_url_loaded

Wait for url loaded