Bump Protractor to 1.4.0

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Enable Protractor directConnect

This allows Protractor to test against Chrome, Firefox directly,
without the need for a running Selenium Webdriver server. See:
https://github.com/angular/protractor/blob/master/docs/server-setup.md#connecting-directly-to-browser-drivers

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Remove Protractor task's Webdriver update dep.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge pull request #2217 from opf/feature/protractor-direct-connect