jBPMバージョンアップ
Error in named query: ProcessInstancesWaitingForEvent の解消
https://community.jboss.org/message/752033
deprecatedなクラスを置き換え.
see:
http://stackoverflow.com/questions/10815779/local-human-task-service-jbpm
https://community.jboss.org/thread/204619
Merge branch 'jbpm5.4.0' into concrete_task_example

Conflicts:
	rewards-basic/ejb/src/main/java/com/sample/MyKnowledgeBase.java
	rewards-basic/pom.xml