Changes to Registration Form

[athyuttamre]

1. Increase email form width on the splash page
2. Make Name field auto-focus when going to registration form
3. Put High School as the first item in the select box (Thoughts?)
4. Make tag background a dark grey while input box is focused

@ariellebryn

[chen-ye]

1. done
2. done
3. sounds confusing
4. redone tags. check