Implementing MID-1465 (Assign approval requests also to org. units and/or roles) - not quite finished yet.
Merge branch 'master' of github.com:Evolveum/midpoint

Conflicts:
	model/workflow-impl/src/main/java/com/evolveum/midpoint/wf/util/MiscDataUtil.java
Fixing compile error after merging.
Merge branch 'master' of github.com:Evolveum/midpoint
Fixing schemas for query & types.
Allowing lists of references to abstract types (eliminated problems with list items instantiation).
Fixing recent workflow problems (incl. temporary workaround for an Activiti bug).
Fixing client code for changes in types.xsd.
Fixing workflows again.
Fixing schema problems with reports by introducing t:XmlAsStringType.
Merge branch 'master' of github.com:Evolveum/midpoint
Merge branch 'master' of github.com:Evolveum/midpoint
Fixing the samples.
Working around Activity bug instead of patching it.