R1:fdf39a9cb1cb

Add PHP openssl extension as a dependency

Summary:
After successfully installing phabricator on my Mac OS X 10.6.7, I was unable to
link my accounts to either Facebook or GitHub.

I diagnosed that file_get_contents() and fopen() were not working properly.

After installing the php openssl package I was able to get it linking
successfully.

Test Plan:
With php's openssl extension disabled, and phabricator installed. Try linking to
Facebook and GitHub and observe that it fails. You can visit the Auth…