Added a note in javadoc about immutability and thread-safety.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1556273 13f79535-47bb-0310-9956-ffa450edef68
First draft of a GeodeticObjects.geographic() method.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1556773 13f79535-47bb-0310-9956-ffa450edef68
AbstractIdentifier.getNames() collection should be live, because JAXB implementation
writes directly in that collection at unmarshalling time.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1556837 13f79535-47bb-0310-9956-ffa450edef68
Missing file for the previous commit.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK7@1556838 13f79535-47bb-0310-9956-ffa450edef68
Merge from the JDK7 branch.


git-svn-id: https://svn.apache.org/repos/asf/sis/branches/JDK6@1556843 13f79535-47bb-0310-9956-ffa450edef68