o Moved some class around so that we can use the package protected methods
o Renamed the encode and computeLength methods to encodeInternal and computeLengthInternal so that we call the paren'ts method when we process an extended operations
o Removed the encode( ByteBuffer ) method for extended operations (not needed)


git-svn-id: https://svn.apache.org/repos/asf/directory/shared/trunk@1579743 13f79535-47bb-0310-9956-ffa450edef68