Add picture to About page and update text.

- Add media folder with self picture.
- Update About text with better wording.
Add responsive CSS grid to site.

- Add Gridism to handle responsive design.
- Update layout to use Gridism.
- Clean out unnecessary floats and other element styling.
- Remove tablet.css as it is no longer needed.
- Update readme to show Open Source Usage components.
Fix display of footer and index pages.

- Use gridism on the social div element.
- Add padding around me div.
- Add post styling element.
Make self picture smaller and update padding around element.