multiuser stuff easier to use
- redirect to login page if user is not logged in
- added link to registration page on log in page
- printed out connection command for plot server
made services more nosetests friendly by enabling us to avoid passing in sys.stdout and sys.stderr to subprocess
otherwise nose output capture breaks tests
renaming all app.route calls to bokeh_app, bokeh_app is the bokeh blueprint.
app is the flask app