Add missing dpkg triggers.

Change-Id: I7695073b47fe8ef0d5a95484b62c725d3038e782
Conceal stderr output from init.d script.

karaage3-celery initd script outputs non-error information to stderr.
Yuck.

Change-Id: I266051db1f2e5a4181a3fbc2f85c266e5e8baa99
Apache2.2 and 2.4 autoconfiguration.

Depreciates karaage-admin and karaage-registration.

Change-Id: I38ed7cdb09c6e608e91879f142c7c2f7cf66ecea
Closes: #201
Depend on apache2.

Seems to be required in Debian unstable at present. Otherwise
mod_wsgi won't get enabled.

Change-Id: I7fd018cbf96e0259752e927312047a410fcb96d7
Don't import debconf everywhere.

Change-Id: I1a737d7b2a94f4049847fcb402eca182c155cff4