Fix spacing around commented things
Add a 'set' method
Improve help messages
Sort the report listing
Drop the "---" from the email.body.text template again
Implement a "delete" CLI command to delete reports
Drop _get_reports_dir from rapport.config

The module rapport.report has a better implementation.
Avoid installing rapport.conf in /etc/rapport

Instead, ship an example config in rapport/config (as package_data) and
use that to eventually populate ~/.rapport/rapport.conf.
Fix rapport.plugin doctests
Add .travis.yml to get Travis-CI testing on Github
Release version 0.0.9