Bug 804394 - [Clock] if more than one alarm is set and goes off and the screen lock is placed, only the top alarm is disabled.
Bug 826122: Provide meaningful error message if pairing is refused [r=kaze,ehung]

Bluetooth peer devices can refuse to pair if the initiator tries too
often. In this case we now print a more meaningful error message.

Signed-off-by: Thomas Zimmermann <tdz@users.sourceforge.net>