fix(protractor): add dummy isPending function

See https://github.com/angular/protractor/issues/1021
feat(ElementArrayFinder): keep a reference to the original locator
fix(launcher): fix issue where test passes on unexpected failures
tests(locators): add chaining on repeater returning a single column
fix issue where color formatting text is leaking

See https://github.com/angular/protractor/issues/1131