Starting application of DefaultFeature changes proposed by email on February 24th:
Replaced getRecord() et setRecord(Map) methods by getAttributeValue(String) and setAttributeValue(String, Object).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1591104 13f79535-47bb-0310-9956-ffa450edef68