Replaced the 'NumberRange<Integer>' cardinality by a pair of minimum/maximumOccurs as int.
This is an anticipation for the GeoAPI interface which would not know about the Range type,
and also for performance reason since the maximumOccurs appear to be requested often.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1592952 13f79535-47bb-0310-9956-ffa450edef68