Fixes #14183 - showing whitespace validation in smart variables

fixes #14239 - when creating host from API, set first interface as primary if none set

Fixes #13757 - spilt layout helper into two helpers

Layout helper is too large, all the forms logic moved to form helper

Fixes #14228 - requiring fileutils in test_helper

Fixes #10183 - Added a default results transformation for status action

Fixes #14097 - Only run DatabaseCleaner truncation on JS tests

Problem:
DatabaseCleaner runs after all integration tests, on truncation mode.
However, for tests where we use rack-test instead of poltergeist, this
is not necessary and slows down the test suite....

Fixes #14191 - remove simplecov test coverage reporting

fixes #13980 - don't merge NIC compute attrs on New Host form

Removes merging of NIC's compute attributes when refreshing interfaces
on compute profile or resource selections on the New Host form. Instead,
overwrite NIC attributes from the profile (as it did before 85e82d0) as...

Fixes #14184 - allow filter creation for users with taxonomies

fixes #14179 - don't merge NIC compute attrs in ComputeProfileMerge

When creating a host over the API and specifying interface compute
attributes, the interface attributes were overwritten from the compute
profile. Example request:

{"host":{"interfaces_attributes":{"0":{"primary":"true","compute_attributes":{"model":"e1000"}}}, ...}}...