Remove padding from form labels.
Default to black search icon in header (rather than gray).
Re-added short and medium modifier classes.
Fixed padding on input elements.

The values we were using before were tweaked for quirky line-height
with our old Din webfont… no more!
Fixed font size in textareas.
Styleguide example tweak.
Merge pull request #216 from DoSomething/auth-qa

Auth QA