Add support for padding un-banded content as low breakpoints
Add back the generic .clear CSS class to support markup clearing
Properly scope the .first selector to only apply to grids.

This is a common decoration class so we should ensure that it doesn't
collide with other uses.
Scope first in the proper order for cascade.
Remove the wait on the navigation scroll handler

The event is still taken outside of the event flow using setTimeout.
Bring over tab plugin and optimize it for minification.
Invert incorrect logic for getting first selected tabs.
Implement the search plugin and retire the Google Syndicated Search
Merge pull request #507 from kabel/4.0

Content Padding and Clearing