updates UI to bootstrap v2

new UI for foreman

fixes #1161 - adds graph per facts

Signed-off-by: Amos Benari <abenari@redhat.com>

fixes #916 - Incorrect fact entries in the db breaks facts view

fixes #739: Clicking hostname leads to 'search', not details

added search to facts page #refs 719

fixes #441 - display facts timestamp

fixed wrong reference to hosts, refs #358

XHTML compliance

fixes #273 - Provide a "Getting started" front-page