VERSIONS.txt and javadoc forward-ports; SOCServer.SOC_MAXCONN_DEFAULT +10 -> +20; from old-1.1.xx/716b7b5, 224021c, 3db5af8
SOCGameOption.addKnownOption: Check null before getChangeListener; from old-1.1.xx/62fbee4
SOCGameHandler.reportBankTrade bank vs port comment; from old-1.1.xx/c9f62b4