Configure Dovecot’s autocomplete plugin.

Adds/subscribes Drafts, Sent, Junk, Trash and Archive mailboxes.
Set permissions and owner on virtual mail domains

Without the owner being set to vmail and dovecot, when a virtual user
tries to access their mail account, dovecot throws an error that it does
not have permission to create the mail folder for the user.

With the owner and permissions being set the user's mail directory is
created and they can successfully sign in.
Separate virtual mail directory settings into a task

Move the settings of the virtual mail directories into a separate
ansible task.
Merge pull request #91 from ssoriche/master

Set permissions and owner on virtual mail domains
Move DNSBL to postscreen (fixes #45)
dsbl.org is no longer operating
Improved test suite, rewritten in python
Added friendly_networks variable to denote whitelisted networks
Fix local tarsnap key path in readme

Turns out it should be in the tarsnap role, not common. :)
Merge pull request #94 from jimrollenhagen/patch-1

Fix local tarsnap key path in readme
Merge branch 'master' of https://github.com/al3x/sovereign
Use gathered facts to determine the correct network interface in the
OpenVPN role
Merge pull request #96 from jlund/openvpn-interface

Use gathered facts to determine the correct network interface in the OpenVPN role
ircbouncer: connect to default server (freenode) using ssl
Merge pull request #100 from ariddell/feature/znc-update

ircbouncer: connect to default server (freenode) using ssl
Merge branch 'master' of https://github.com/al3x/sovereign