FIX: Fix issues found with findbugs for java.io stream usages where no encoding is defined.
FIX: In WorkflowStepResult, getContextMessage() and getContextCounters() argument was a String, however underlying map use an integer as key. Change argument type of the 2 methods to int.
FIX: In DiffanaResultsAnnotationStep and ExpressionResultsAnnotationStep, exception were created and droped rather than thrown.
FIX: In Ticket, fix comparison of a field with itself.
FIX: In SimpleDataMetaData and WorkflowContext, fix infinite loop recursion.
FIX: In WorkflowStepOutputDataFile fix dereference of a null pointer.
FIX: Fix, WorkflowStepOutputDataFile.StepPort class was not Serializable.