Style fix for unplugged stat.
Refactor
Style changes and abstraction.
Center.
Merge pull request #193 from tobyk100/unplugged-fixes

Style fix for unplugged stat.
fix stylename typo, support wrap up video
Merge branch 'master' of github.com:code-dot-org/dashboard
Merge pull request #194 from nanan9177/blockly_fix

Redirecting to code.org after 1. signing out, 2. clicking on the logo.
 Moved the add teacher form to the bottom. Replaced with a link that lets you jump to the form.