Meghana's blog post
Merge pull request #15 from WhisperSystems/Meghana-blog-post

Merge Meghana's blog post
Partialize RedPhone and TextSecure sections
Convert main css file to sassy css
Add CTA buttons above the fold on home page
Add pages for /apps, TextSecure, and RedPhone
Rough draft of new home page

Existing homepage content moved to /apps
add about page and update header links
Add security/developers page
Partialize nav
remove extra clearfix definition
Remove empty css rule
Change how clearfix works.

This eliminates the need to place empty clearfix divs at the bottom of
elements containing floats that need to be cleared. Instead you can now
simply apply clearfix to the container itself.
More work on home page according to new wireframes
Responsive grids!

Set up grids on home, redphone, and textsecure pages
buttons should be centered
Fill in /about

Adds two column grid and lots of copy drawn from blog posts
Make the whole site skinnier per wireframes
make h1s look pretty