Catalog: fixes property names and period time unit

[paullatzelsperger]

What this PR changes/adds

This PR does two things:

1. changes the scheduler period from minutes to seconds
2. changes the configuration keys to be more shell-friendly by replacing "-" with "."

please update your configs accordingly!

Why it does that

improve debugability and shell-friendliness

Further notes

also added the @EdcSetting annotation, which has no functional impact as of now.

Checklist

• added appropriate tests?
• performed checkstyle check locally?
• added/updated copyright headers?
• documented public classes/methods?
• added/updated relevant documentation?
• added relevant details to the changelog? (skip with label no-changelog)
• formatted title correctly? (take a look at the CONTRIBUTING and styleguide for details)

[paullatzelsperger]

@ndr-brt adding you since this may be relevant for C-X deployments.