Revert "Using a version of phantomjs that is known to work."

This reverts commit b4aa8d7ea0424f4135ed439e59b434786caace4a.
Revert "Pinning phantomjs to 1.9.0 due to possible redirect issues."

This reverts commit 1aa54824086aab0d1cbe69f12d76f33e1c533337.