Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/internal/databinding/property/value/MapSimpleValueObservableMap.java
private Object key;
		MapEntry(Object key) {
			this.key = key;
		}
		public Object getKey() {
			getterCalled();
			return key;
		}
		public Object getValue() {
			getterCalled();
			if (!masterMap.containsKey(key))
				return null;
			return detailProperty.getValue(masterMap.get(key));
		}
		public Object setValue(Object value) {
			if (!masterMap.containsKey(key))
				return null;
			Object source = masterMap.get(key);
			Object oldValue = detailProperty.getValue(source);
			updating = true;
			try {
				detailProperty.setValue(source, value);
			} finally {