pull available_fields and field_descriptions of VafInterpreter into helper class
pull available_fields and field_descriptions of ManySamplesVafInterpreter into helper class
pull single_vaf_headers and per_library_vaf_headers of FullReporter into helper class
get basic_available_fields from single_vaf_fields and per_library_vaf_fields to remove code duplication
Add acmg reporter and implement to trio wrapper
If the build is based on imported instrument data, use imported protocols
Remove "old pipeline" modules.
Remove old `gmt vcf vcf-maker` tools.
Remove `gmt germline vcf-maker`.
More compact syntax
Implement acmg report to trio wrapper
Test that we really ran the command wrappers.

The first test would necessarily have done so to get the count to 1,
but the second could have done nothing at all.
Whitespace.
Check existence of command earlier so we reach friendly error message.
Whitespace.
Whitespace.
Whitespace.
Check results of command execution.
Whitespace.
Check results of command execution.