JAVA-828: added support for SCRAM-SHA-1
JAVA-1329: Deprecated DBObject-related methods in ReadPreference, replaced with TagSet class
JAVA-1361: Introduce InsertOptions class as the preferred way of setting continueOnError, in preparation for deprecating the continueOnError property in WriteConcern
JAVA-1362: Deprecate continueOnError-related methods and constructor in WriteConcern.  Users should use InsertOptions.continueOnError() or DBCollection.initializeUnorderedBulkOperation() instead.
Added missing @since tags to MongoCredential class
JAVA-1329: Updated Javadoc for new ReadPreference methods
Updated examples to not use the deprecated db.authenticate

JAVA-1366