fixes #4314 - ignore default scope ordering on host search by puppet class

(cherry picked from commit a44dd0943b5ccc2c2e9a0ce264e4b2f38b5edd4d)

Conflicts:
app/models/concerns/hostext/search.rb

fixes #4626 - update Facter calls for 2.0 compatibility

(cherry picked from commit 312042b0ddd557fb42f67ba7424020b8dde72da2)

Conflicts:
app/models/setting/general.rb
app/models/setting/provisioning.rb

Fixes #4616 - Add a Fog mixin for looking up EC2 IP addresses

(cherry picked from commit 4963a970e3ee2a91835f4ab5a493179d96cdeedf)

fixes #3475 - make it possible to force the 401 status.

(cherry picked from commit 5eb2fa6ec0997b31b95d413c64c6bc3b2cfe552e)

fixes #4565 - puppet class free-text search is now significantly faster

(cherry picked from commit 0126385b4469accf2474ab3db0ef43f8d7b63558)

fixes #4194, #4459 - add main_app to root_path references for isolated engines

(cherry picked from commit 33b384f2b29363014608ac1b85061b5a8b4791d5)

fixes #4442 - returning nil plays nice with try_to_login.

(cherry picked from commit a416bb573dedf6c34592afec17fbbec96691a5e6)

fixes #4485 prevents undefined method when cloning a host

(cherry picked from commit cdbbf1c231c9148d2b6ed252d920a8676c176702)

fixes #4524 - The logged in user should be the default one in create new hosts

(cherry picked from commit 19579f872c1b4a512500f8e07f0b066180574e4e)

fixes #4245 - return HTTP body for oVirt SSL CA certificate

(cherry picked from commit 2e417b5824b4e5283586119052aed7b4953e468e)