remove duplicate unnecessary list of variable instances
rearrange test spring context files
ACT-2112 JtaTransactionInterceptor hides exception

It is possible that JtaTransactionInterceptor swallows original
exceptions, when an exception is thrown on rollback.
ACT-2112 JtaTransactionInterceptor hides exception

When exception occurs on rollback, the original causing exception is lost.
FIX: log.error the original exception upon throwing the new one.
create jobTestHelper and move job related files to it to be usable in junit 4 style tests
Merge remote-tracking branch 'origin/seperateJobHelperMethods' into reArrangeContextAndTests
reorganize camel tests
reorganize camel tests
organize camel tests
revert back the junit 4 jobTestHelper. it is in another pull request
fix http://jira.codehaus.org/browse/ACT-2123, add sequence label
change tab to space
replace deprecated method
Regarding the issue ACT-1936, org.activiti.engine.task.TaskInfoQuery#processCategoryIn and org.activiti.engine.task.TaskInfoQuery#processCategoryNotIn methods added. With respect to those changes, 4 new test methods added to org.activiti.engine.test.api.task.TaskQueryTest class.
Added support for compensation event definitions by using 'org/activiti/icons/compensate-throw.png' and 'org/activiti/icons/compensate.png'
Register rollback listener before executing the job
Fix for ACT-2145 : defaultRenderer should htmlEncode values in order to
protect js error if & char is present in expression.
Allow setting custom mybatis XML mapping files. Added Tests and a
CustomTaskQuery
Check the selectedUser before calling TaskService

When the selectedUser is null, deleteUserIdentityLink() should be called to remove the origin assignee of task.
If the origin assignee and selectedUser are both null, do nothing.
adding additional tests