Finished portfolio.

1. Created 2 css files for adaptive design. One for unfixing header for
smaller screens, and one for mobile.
2. Debugged various spacing issues (margin/padding) around some sites
3. Fixed slideshow to resize adaptively dependent on window size
4. Adjusted and added new content and info for project descriptions
5. Minor adjustments to font and styling of site (i.e. made project
category borders less subtle)
6. Validated and added commentary where applicable for good practice