fixes #1827: use ids instead of names for templates routes

clone action, view, tests

fixes #2033 - Cannot assign a host to an org

Now its possible to change Locations / Organizations only via mass assign

refs #2041 - changed puppetclass/:id/parameters from put to post.

Fix home mapping in API v2

Home controller is in v1, mapping all the routes from scope for v1
except the final fallback, that needs to go to the end of routes file.

Oterwise status is not working for V2.

refs #2069 - enable auth by default

Without authentication, sensitive information and power is available to all,
so improve security out of the box.

fixes #2129 - only use markdown if redcarpet available

v2 api for configuration_templates and template_combinations

fixes #2041 puppetclass_parameters update method uses PUT incorrectly

added API v2 placeholders.