Fixes #13424 - Add Patternfly Donut Chart React component

Our donut charts do not look like they should in Patternfly.
https://www.patternfly.org/patterns/donut-chart/ uses c3, so we can do
that too.
Eventually I want to remove flot_pies too, but I have to yet figure out...

Fixes #4629 - Migrate UI to Patternfly

Fixes #5810 - fixes issue with incorrect page titles

fixes #2741 - remove dash from -%> to %>

flot charts

Use flot charts instead of highcharts.
flot charts license is more friendly.

This version of the code is feature compatible with the old charts,
including:
pie: drill-down and expend.
stacked charts: zoom, hide series in legend.
all types has tooltips....

fix minor css classes declaration.

updates UI to bootstrap v2

fixes #1414 - pie is over cooked in chrome.

WIP rails3 migration

statistics pie is now a thumbnail that expand in a modal dialog.

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