add in some more examples (will work em in later), removed fleetio per their request, and added gather content to replace it

change up box-shadow mixin usage everywhere to use escaping again, or local var if necessary for further var evaluation

fixes #5040 manually: remove overflow: auto; from .modal to resolve sporadic modal right padding issues with scrollbars

Update modal example code to match example

Active `.nav-tabs` elements are not blue (like pills),
so forcing a white icon there is not appropriate.

regrettably remove the animated button for download on homepage to improve page performance in some browsers

Fix Typeahead key navigation with Chrome + jQuery 1.8.0

Makefile misses a 'clean' directive