PHP version: 5.4.9.
Added note in README about the master and develop branches.
Formatting and output improvements to `bin/compile`.
Use absolute paths for binaries in `boot.sh`.
Don't re-append env list to `php-fpm.conf` on every dyno restart.
Resolved bug in previous commit.
Only start newrelic-daemon if $NEW_RELIC_LICENSE_KEY env is set.
Don't use ENV['PORT'] in nginx redirects. Fixes #11.

Note: Changes made to nginx.conf.erb.
Nginx version: 1.2.6.

Resolves #10.
PHP version: 5.4.10.

Resolves #12.
Merge branch 'master' into develop