add abbr styles, overhaul type docs section to remove lots of verbose text and put emphasis on tables and more scannable content

updated docs to include quick links and twitter buttons, added updated blueprint pattern to background

tweak the h2s again for better spacing, adjust docs, remove white bg if possible on file input, few other tweaks

tweak line-height of h2 and h3 to not be gihugeous, updated responsive to improve tablet grid and phone styles

refactor fluid layout to be more specific to not interfere with modal content while adding right sidebar option

huge update to forms, docs for the new forms, added a new link for js example to tabs/pills, add some new mixins

Signed-off-by: Chris Aniszczyk <zx@twitter.com>