changes:

- use subtler colors
- post-content a:hover animation (thanks @tobiasahlin)
- add non-working navigation menu (will hax up later)
- use #fff for site-footer
- add back-to-top button (thanks @JonnySchnittger)
- occupy shell.js for our functions
- remove google analytics
- make use of theme helpers {{site_email}} && {{site_owner}}
- remove ghost_foot (as it did nothing more but add jquery
- remove disqus count.js