crafter-review 1.0.1, the released build installed on this machine, and
the newer build installed beside it as //local refuse the config key
lensSections: a lens's repository section is named per lens, as
lenses.<name>.section, instead of being found by listing a directory.
With the key in place `crafter-review config` reports it as a problem,
and freeze and run stop at "preflight: config: unknown key lensSections".
The three files in .review-gates/lenses/ are named under lenses, one
entry each, the migration the Crafter.Review session gave; with them
`crafter-review config` reports no problem.
Jorijn van der Graaf
a1bc96a323