Starts the HTTP daemon. Currently, only one HTTP daemon can run at each time, regardless of port used.
## Static method (use this):
## HttpDaemon$start(rootPaths=NULL, port=8080, default="^index[.](html|.*)$", ...)## Don't use the below:
# S3 method for HttpDaemon
start(x, rootPaths=NULL, port=8080, default="^index[.](html|.*)$", ...)
The path(s) to act as the root of the web server file
      system.  Files in parent directories of the root, will not be
      accessible.  If NULL, the preset paths will be used,
      cf. *setRootPaths().
The socket port the server listens to.
The default filename pattern to be retrieved if not specified.
Not used.
Returns nothing.
*setRootPaths().
  *isStarted().
  *terminate().
  *restart().
  For more information see HttpDaemon.