Sketch of list support for key accept/delete

Refs #14334

@thatch45, tell me what you think of this. Maybe it would be better to
do targets? Not sure.
provide support for VPC security groups in boto_secgroup state module
Disable service.py for entire SUSE family >= 12

Checking os_family allows us to pick up openSUSE and SUSE Linux Enterprise, rather than just checking for os == openSUSE.
Removed 0.17 requirement note from formula docs

0.17 is no longer a supported release.
Moved the Formula Conventions CHANGELOG section down next to Versioning

This section is less important for new users than the mapfile and sls
recommendation sections.
Improve and shorten the Formula lookup table recommendation
Updated the Formula README recommendation
Added link targets to a few requisite types
Improved the simple Formula usage example at the top
Improved the Formula installation docs with examples
Improve and clarify the Formula docs on using formulas from non-formulas
Moved the Formula repository structure docs to the bottom

We should describe best practices for writing formulas first.
Fleshed out the recommendations for writing reusable formulas
Removed the redundant platform agnostic Formula section
Fleshed out Formula Parameterization section
Formatting to bash code block instead of plain text
Added function to fire event using env vars for event data
Use the silent option when listing npm packages

If warnings are output it can't be parsed as JSON.

Fix courtesy of @timcrider.
Properly catch the crypt import @gtmanfred
Move --plugins to within _repoquery()

This ensures that all repoquery commands use --plugins. Fixes #14789.