Upgraded DefaultCoverageDescription to ISO 19115:2014 (SIS-94).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605796 13f79535-47bb-0310-9956-ffa450edef68
Merge the DefaultCoverageDescription upgrade for ISO 19115:2014.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1605797 13f79535-47bb-0310-9956-ffa450edef68