SOCServer updates from backports; from old-1.1.xx/24f754d, ca19630, f5b5687, 35a50a8, 5734c7b
SOCGame N7C updates from backports; from old-1.1.xx/65ad3fc
README.developer, VERSIONS.txt updates from old-1.1.xx backports
SOCConnectOrPracticePanel +parsePortNumberOrDefault for clickConnConnect, clickRunStartserv; from old-1.1.xx/49a46c0
README.developer: I18N notes, coding style boolean exprs