progrium/dokku — pull request #317 by plietar (2013-11-18 19:58:48+00:00)
Title: Enable tracing in hooks when DOKKU_TRACE is set.

I've extracted this commit from PR #312 so it can be merged as soon as possible.
This makes it much easier to debug plugins.
Also source the 'dokkurc' file when starting dokku. This makes it easy to define DOKKU_TRACE over ssh.