Add install script, list actions in notifications, Readme tweaks, etc.
Split AMI functionality to a separate package.
Separate ephemeris from templating, make templating a user-level feature.

This way users have full flexibility to use templates as they see fit.
Move loading of contacts and email account into own module.

Avoids circular deps.
Merging with Tim's latest modifications to pysovo. Includes the improved import of the contacts.