Shrink nav bar height on small screens.
Responsive jumbotron.
More stuff in jumbotron.
Shrinking font size. Container width adjustments for small screens.
Adding email addr.
Adding basic content. No styling.
Adding styling for new content, thumbs, etc.
Adding promises vs callbacks thumb.
Adding png for callbacks lecture and creating links on the images.
Adding png for callbacks lecture for realz this time.
Adding carousel.
Reducing file size of grand_canyon.jpg