Work on Search Spec
Experimenting with product launch arguments
swap min and max values if necessary

In the Date Filter: If operator is BETWEEN and min > max, we swap the
values instead of creating a filter that always returns false
implement SimpleCompoundFilter
typo in comment
Merge branch 'filtersearch' of ssh://git.eclipse.org:29418/rmf/org.eclipse.rmf into filtersearch
Include SpecHierarchies in Search
Accessors for the filter properties