* removed wait_until where possible
* replaced wait_until with DOM obersavtions
* added match: :first to all finders that assumed getting the first element
* replaced evaluate_script with execute_script where possible
* replaced a few execute_script with DOM observations through Capybara
* removed sleep where possible
* replaced sleep with DOM obersvations
* replaced "wait for ajax" with DOM obersavations
* replaced alert confirmation with new selenium API
* bump selenium webdriver
* made any other fixes to get green again
Revert "ensure that time is always far beyond last post creation"
This reverts commit 749b403d13.
Revert "make Timecop travel persistent for the whole run"
This reverts commit 5d9bdd80ab.
Revert "Timecop post creation for cucumber"
This reverts commit dba3dbbfeb.