- Updated 6 Dockerfiles to use JSON array syntax for CMD
- Skip CNAME authoritative check if it fails
- Skip another authoritative check to fix flaky tests

* Fix execute permissions for dns scripts
* Send the profile with the order request
* Update chown command for all alpine based Dockerfiles
* Rewrote the profiles parsing code to be more generic and more readable
* Change some tests which depend on DNS to be warning instead of failure to prevent false alerts
* Skip some ftp tests on centos6 and centos7, setup issue with vsftpd

Reduce test noise

The first fail logic seems scoped to a single test file.

Set the flag globally.
Since the tests run in a container, cleanup is automagic.

Various test tweaks to allow for skipping tests & null strings.

From https://github.com/sstephenson/bats/issues/135 via @timkimber

Use a regexp rather than a partial match to skip any DNS_CHECK_OPTIONS,
which in the current tests create whitespace, but could be anything.

Catch a missing inclusion of DNS_CHECK_OPTIONS for dig CNAME