Whitespace.
Adjusting columns depending on screen size for main docs.
Replacing old styles with new ones to simplify sidebar design.
Making the menu display on tablets too.
quick fix for navbar margin

if fix-columns and develop are merged together, the signup button
falls against the right side of the screen (it should have a margin to
offset it)

this is a quick fix for that problem
Merge pull request #42 from stormpath/fix-columns

Fix columns