Added dependency tests within the plugins, so the plugins and tests will check for, and gracefully fail if their dependencies don't exist.
Pull request: https://github.com/smtpd/qpsmtpd/pull/19 Changes: https://github.com/smtpd/qpsmtpd/pull/19/files Matt ````````````````````````````````````````````````````````````````````````` Matt Simerson http://matt.simerson.net/ Systems Engineer http://www.tnpi.net/ Mail::Toaster - http://mail-toaster.org/ NicTool - http://www.nictool.com/ `````````````````````````````````````````````````````````````````````````
