Revert "simplify webdriver-update in gulpfile with gulp-protractor"

This reverts commit 8d950c7e8333d25797ab1690a0fec7993aeee3c8.
Revert "fix bower angular dependency resolution"

This reverts commit b52696bdf17fc8b1a452dd4ca98f10b5a2f6f938.
update webdriver before protractor:sauce
Merge branch 'refs/heads/fix_test_sauce'