Move globals from clean to params making apt::clean parameterized
Lint apt::preferences
Lint apt::key
lint apt::params
Merge pull request #36 from mcanevet/lint

Lint
Support updating of expired keys
Support apt::preferences for apt < 0.7.22
Merge pull request #38 from raphink/preferences_lenny

Support apt::preferences for apt < 0.7.22
added unattended-upgrades config for wheezy
Merge pull request #42 from cjeanneret/unattended-wheezy

added unattended-upgrades config for wheezy
lenny: no more oldstable
squeeze: now oldstable
Merge pull request #43 from mremy/change_unattended_upgrade_config

Change unattended upgrade config
Add 'apt::listchanges' class.

 - configures 'apt-listchanges' via debconf
populates debconf Database with default values