added apples illustration for demoing resolution media queries in breakpoint
added breakpoint demos
don't output line numbers
tweaking a media query
source art for demos
removed stuff we don't need
removing demo css from the responsify presentation
removing more demo content from the responsify presentation
default state
inversing the @2x apples illustration to better demonstrate what's happening
adding a gallery breakpoint demo
more code clean up
fixing the code color and tweaking the css nazi slide