DROOLS-576 NullPointerException in ActivationTimerInputMarshaller.deserialize()
- Test case

(cherry picked from commit e560c722d3d2a6e159176e89c21b68b48b2fcce2)
[DROOLS-576] avoid NPE in Timer deserialization
[BZ-1147402] fix dtable parsing when the function cell is merged
Bug 1145796 - Unable to save a "Test Scenario" that makes use of "Call Method" in BRMS 6
[DROOLS-644] add test demonstrating no-loop with named consequences