cont-responder to factor httpd. add cont-responder tutorial to main doc
dicretory. mention location of cont-test.factor in tutorial. change
defauly startup location of browser.
instead of cont-html. remove cont-html.factor file as it is
supercontents of the html vocabulary in the standard library. remove
unneeded test function from todo example. removed requirement for
parser combinator library from todo cont-responder example.
opening and closing tags. This actually simplifies the code quite a bit.
The current downside is the the code using the tags is not pretty
printed very well (ie. no indenting).