AUI-1173 Should not navigate when already at destination from link clicks and app.navigate call
AUI-1173 Adding more surface tests
AUI-1173 Make surface tests to pass on phantomjs
AUI-1173 Improve surface test exposing start/endNavigate as function properties in order to re-use the same bind event
AUI-1173 HTMLScreen tests should wait endNavigate event in order to assert values due to io delay
AUI-1173 Source formatting
AUI-1173 Tests should avoid accessing protected surface properties
AUI-1173 Add failNavigate, successNavigate events and change navigate method to return the pending request promise instead of boolean
AUI-1173 Update surface tests