* Working on Oozzie workflow definition validation using Schematron.
* Sequence concatenation is simple. just use comma operator
* string-join function has TWO paramete, not one parameter.
Merge branch 'master' of https://github.com/3rdstage/sirius.git

Conflicts:
	thirdstage.sirius/src/main/resources/thirdstage/sirius/support/oozie/schematrons/workflow.sch
	thirdstage.sirius/src/test/resources/thirdstage/sirius/support/oozie/samples/workflow-sample-linkbroken-1.xml