Added DefaultMetadataScope (SIS-94).

git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605880 13f79535-47bb-0310-9956-ffa450edef68
Javadoc fix.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605882 13f79535-47bb-0310-9956-ffa450edef68
Renamed LegacyProperties as LegacyPropertyAdapter.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605887 13f79535-47bb-0310-9956-ffa450edef68
Javadoc.

git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605888 13f79535-47bb-0310-9956-ffa450edef68
Uncommented the JAXB annotation for the new classes only (not yet for attributes in existing classes).


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK8@1605894 13f79535-47bb-0310-9956-ffa450edef68
Merge from the JDK8 branch.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1605897 13f79535-47bb-0310-9956-ffa450edef68