fixes #2037 remove catchall routes

this blocks any plugin/engine from adding additional routes

added compute resource actions and tests

host routes api changes squashed

support for passing template_kind hash as input parameter during create and update operations

refs #2010, fixes cache issues when selecting an org/location

fixes #2010 - selecting an org/location does not expire topbar cache

fixes #1937 - Foreman doesn't work well when run on subpath

• request_url is not enough to pass form controller to tftp
  Other variables (like script_name) need to be used from
  controller.url_options to properly generate the path in the PXE template.
• use rails helper to get the path to noVNC source...

Fix the path for create medium API

replaced default taxonomy migration with a multiple actions for assigning hosts to orgs and locations.

admins can always reset the taxonomy filters to any