added sliders to 'To Do' preferences pane
submit button gathers todo pref rankings into js object
Merge branch 'master' of https://github.com/giovannic/hack13
Merge branch 'master' of https://github.com/giovannic/hack13
added sliders to other two pref panes - they don't do anything yet
Merge branch 'master' of https://github.com/giovannic/hack13