Make recipes that actually depend on repository.rb 'standalone', fixes #68
Refactoring
Additional attribute for php's ext_conf_dir, fixes #56
Inspired by #67, an update to the original fix, fixes #56
Enabling configuration of the python-agent configuration file location, fixes #67
Add virtualenv support for the python agent, fixes #65
Missed EOY update(s)
Don't crash in case the PHP cookbook can't be found