Fix some typos and other errors after actually trying to install on toby.

Most are simple typos (eg crontab -> cron), and one was an issue that
seemed to involve LC_ALL.

The big one is that the security updates somehow broke php-fpm, so we
had to use another technique to get php serving on toby, graciously
provided by another appengine user:
   http://www.hastebin.com/omiyebasiv.nginx

Auditors: alpert, chris

Test Plan:
Ran these functions manually on toby.