on machines with networking completely turned off
- added find-listener/port, which may be used in the future to enable
networking explicitly (though erl.ss will need significant mods for that)
- removed mention of distribution in README for demos (i.e., net-pong demo)
- minor bug fix in gui wrapper
- noted that spreadsheet is broken on MacOS
svn: r3403
compiler/garbage collector
- fixed div by zero bug in pong.ss demo
- removed defunct net-pong demos and ft-spread
- added documentation and demo sheet for spreadsheet
svn: r3329
