Big overhaul

* Removed social icons and links. I will replace these down the road.
* Added page.php for pages.
* Added rules for <small> tag.
* Changed superfluous <section> tags to <div>.
* Fixed typo in comments.php that preemptively closed a tag.
* Removed JavaScript related to social icons.
* Unified styles <nav> and <header> menu lists.
* Shifted text in them from middle to side, and removed alternating offset of text.
* Added Wordpress nav menu.
More sweeping changs.

* Added TODO list.
* Corrected errors in comment display.
* Begun responsiveness framework for larger (2k+) width screens.