resolve regression of some ra transaction tests, follow on from http://svn.apache.org/viewvc?view=revision&revision=1065688 - a shared context needs to be aware that ended transactions that are unresolved are considered active. browse needs to only commit for local transactions when ending
activemq/trunk/activemq-core/src/main/java/org/apache/activemq/ActiveMQQueueBrowser.java