Merge pull request #21 from bobtfish/non_deprecated_template_variables

Stop warnings in puppet 3.2
Merge pull request #22 from bobtfish/customize_apt_source_location

Allow the apt source location to be customised
Merge pull request #24 from bobtfish/daemon_mode

Stop using daemon mode in upstart scripts.
added rspec-system tests to verify installation on Ubuntu
Restart service when upstart conf changes.

This is a parameter, however I've defaulted it to true as that's what I want ;)