add correct way of getting the defaultvalue
adopting unitTests to new implementation of getting the default value
changed semantics IS operator is to "is same day"
changed Date fixture
fix typo in timezone
we need more tests for dates in different timezones
Updated Search Spec
refactored i18n for Operators

moved getString for operator lables to search plugin
Merge branch 'filtersearch' of ssh://git.eclipse.org:29418/rmf/org.eclipse.rmf into filtersearch