Keep footer at bottom

Uses [this
technique](http://matthewjamestaylor.com/blog/keeping-footers-at-the-bot
tom-of-the-page).
Use light colour scheme
Use darker colour scheme
Update footer descriptions
Tweak colour scheme
Remove subtitle
Upload lifewatch-logo
Change whitespace lifewatch-logo
Insert container in element position description
Add icons to links

* Move scope to whole site, not only .single
* Remove picasa, linkedin
* Add rss
* Update twitter link + icon
Move some css elements

Font styles is now defined in the header/footer instead of its
containing div.
Remove subtitle from media query
Style footer

CSS:
* Footer has padding 2 all around
* Contains 3 divs of 33%
* Those divs contain the logo or a list
* Icon i removed
* Header has z-index to stay on top

HTML
* Lists are loaded with SOCIAL and LINKS widget
Smaller logo
Choose fonts

* Georgia for most text (including titles)
* Noto Sans for header/footer/extra
Choose gray colours
Fix some spacing and borders
Orange links
Update readme and screenshot
Add more padding to content