Fixes #18438 - control notifications polling

Fixes #17883 - enforce newer fog-vsphere

fixes #19524 - pin roadie-rails to 1.1.x on Ruby 2.0-2.1

fixes #19437 - remove duplicate Rails.cache.clear calls

Rely on the default cache clear in the AS test helper, which catches
errors from Rails when the file cache doesn't exist yet.

Fixes #19506 - reset cache after CR update

Fixes #19173 - build notification succeeds with expired token.

Fixes #19497 - More passenger info in foreman-debug

refs #19317 - move FiltersHelperOverrides to app/registries/

Uses class to hold state, should be kept in the autoload_once registry
directory.

Refs #19512 - use nodejs 6.10 for EL7 tests

Fixes #19504 - Quote puppet class filter in host form

So that the filter can contain characters such as ":"