Added 48x48 spinner (for kbOverlay).
Added less file for kbOverlay (and spinner).
squash
Dumping a loggedIn status flag in kb object.
Utilizing hack from 3fd1885 - squash
Added method kb.overlay that turns on and off an overlay.

Works with or without a spinner and a callback for handling when clicked.
Setting overlay on change of resultsPerPage.
Added bootstrap popover support (for the login warnings).