Remove contact section from index page
Add html suffix in layouts
Add footer in layout
Split footer to a partial
Capitalize guide menu
Fix footer links
Stylize footer
Move IE7 specific css to appropriate section
Remove obsolete #contact CSS
Properly indent newsletter form CSS
Stylize contact section
Minor restyling on newsletter form
Add mobile app badges on footer

Closes #81.
Minor fixes on responsive design
Update footer on all pages

* Stylize "Last Update"
Merge branch 'footer'