Documentation update from ISO 19115:2014 reading (especially the example sections).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1629811 13f79535-47bb-0310-9956-ffa450edef68
Updated DefaultMetadata to ISO 19115:2014.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1630658 13f79535-47bb-0310-9956-ffa450edef68
Merge from the JDK8 branch (updated DefaultMetadata to ISO 19115:2014).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1630661 13f79535-47bb-0310-9956-ffa450edef68