Add travis testing for the Contacts API

This commit adds a set of scripts for automatically running the contacts
tests through Travis CI.

It adds the dev dependencies Jasmine and Zombie.

Jira issue: WP-811
Fix the 'HTML' method to 'html'

Jira issue: WP-811
Increase test timeout, fix failure case and print result.

The automated tests now give the PZP longer to respond and will
kill the PZP properly even if tests fail.  A message is printed
at the end of the test to show the result.

Jira issue: WP-811
Increase test timeout to 5000ms.

Jira issue: WP-811
Merge pull request #5 from jplyle/add-contacts-tests

Add travis testing for the Contacts API