Merge branch 'master' of git://factorcode.org/git/factor

* 'master' of git://factorcode.org/git/factor: (36 commits)
  fix load error
  fix load error
  set a default log level
  change literals so that $ works with constants in same compilation unit
  with-logging should not take a DEBUG level
  remove dead code
  call canonicalize-path when determining if we can serve a path
  add a couple unit tests to ftp
  make ftp server work with firefox, simplify some code
  fix logging check, unit tests
  add unix canonicalize-path
  add canonicalize-path, fix a bug in file-extension
  io.encodings.korean TODO removes
  add timestamp>mdtm to calendar.format
  use +foo+ as symbol names
  add ; to word definition in stack-checker docs
  with-logging change
  with-logging takes a log-level, more docs
  use the new with-logging
  make io.servers.packet load again
  ...