Changes to dashboard statistics. Fixes #1617

Fixed link for Good hosts on dashboard to match stats query

updates UI to bootstrap v2

minor code syntax cleanup

code smell

fixed dashboard pie colors.

fixes #402 - Add noops/pending to metric handling, and provide pending hosts for dashboard views.

This change adds the ability to see noops in metric reports inside
foreman graphs, charts and lists. The business reason for this is to allow
users to run their puppet agents in noop mode, and see where nodes have...

WIP rails3 migration

dashboard pie has links to the relevant hosts filter page.

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

Fixes #1298 - Make the run distribution chart appear within the same scope as the rest of the dashboard

Signed-off-by: Tim Speetjens <tim.speetjens@gmail.com>