(doc) add overdues to summary of the phone list feature

Added "or overdues" to the summary so it is clear that phonelist
handles both holds and overdues.

Signed-off-by: Josh Stompro <Stomproj@larl.org>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(doc) 'debian-wheezy' was left out of the OS options

Just added 'debian-wheezy' to the OS options, it was left out by mistake.

Signed-off-by: Josh Stompro <Stomproj@larl.org>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>