Update documentation on move_file

This option is no longer used by default.
Fix inaccurate comments
Add Pod::Weaver plugins as authordeps

Previously they were added along with the other runtime dependencies,
which is wrong.
Generate README.pod only at release time

Change made in module and in dist.ini
v0.142180

    - Fix a few mismatches between comments/documentation and code
    - Fix a few dependencies that were specified for the wrong phase
    - Use the new release-only mode of ReadmeAnyFromPod