Changes to dashboard statistics. Fixes #1617

Fixed reported stats on dashboard for good_hosts and reports_missing in text table

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...

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>

refs #1151 Fix the scopes so they behave as expected and Adapt dashboard pie data to the corrected scopes

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

fixes #1151 Fix dashboard pie, to contain correct total number of hosts

to me this makes sense. Don't shoot me if the logic isn't 100% correct...

in short, active hosts are counted as ok hosts, which makes the
counters get higher than the number of total hosts sometimes....

new UI for foreman

fixes #285 - Use Charting system which can work offline

• dashboard charts
• statistics page
• host show page

additionally, main menu buttons and bookmarks drop down are easier to handle and read

addes search to dashboard page refs #719

Fixes #424 - Added responders for JSON and YAML to DashboardController#index

Fixes #288 - Moved DashboardController actions (except for #index) to HostsController.

fixes #423 - import puppetclasses is available on all controllers

Some of the controller filters were running twice,
this way is the preferred way to ensure that they running only once where appropriate.

refs #364, adding default layout to all dashboard actions

• Added checkbox for enabling and disabling hosts from edit screen
• Enabling e-mail reports for hosts in downtime
• Added dashboard links to disabled hosts
• Added basic tests

fixes #282 - NoMethodError in Dashboard#OutOfSync

Fixes #183 - Adds searchbar facility to hosts

Qualified the fact_selected partial
Added a reset button
Added popup help
Beautification and grooming

fixes #226 - Return OutofSync, Error Host list from Dashboard controller as YAML

fixes #222 - add search and sort functionality to dashboard host lists

added google_visualr and converted dashboard and hosts graphs

fixes #192 - Host Run Interval Chart Broken

added basic pagination

fixes #124 - Support run interval other than default 30 minutes

minor time formatting change

fixes #130 - divide by zero in dasbboard

fixes #80, fixes #106 and fixes #128

fixes #89 - this adds basic graphs and charts for your inventory, it
also includes minor changes to the dashboard graphs

first stab at #77 - add basic graphing engine and added a couple of graphs in the dashboard

fixes #70 - shows hosts in error state in the dashboard

Fixes #30 - a very basic version for now - feature requests ARE WELCOMED