transport-xmpp: Fixed NPE

in HandleTransportStatus.disconnect(String). Reason could be null. We
now transform the null String to the empty String in newState().
transport-xmpp: Add asmackFromSource.sh
transport-xmpp: Changed aSmack version to 0.9.0-SNAPSHOT-2014-03-25
module-notification: Fixed NPE in addSbnToElement()
JULHandler should be statically setup

so that jul logs in static blocks are also loged (given that
JULHandler's static block is run first).
transport-xmpp: Changed aSmack version to 0.9.0-SNAPSHOT-2014-03-26