[development] Core scripts cleanup

[Morbus Iff]

> I'm not too happy about putting this in any web
 > accessible place. That is asking for trouble.

Nope. Just prevent access from the web
via .htaccess, like we do everything else.

Alternatively, it's quite easy to add a check in the script itself to 
detect if it's being run in a web environment vs. a CLI. Just check for 
some environment variables here and there.

-- 
Morbus Iff ( accept no prostitutes )
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