upgrade to Jena 2.11.2
removed src/tsparql/qtest.java because ARQ does...
added back a method 'increasePriority' in 'URIL...
changed 'increasePriority' to 'changePriority' ...
changed 'increasePriority' to 'changePriority' ...
changed 'upgradePriority' to 'setPriority'
there may be exceptions when notifying the list...
gives a name to the current thread