Remove mirrors related code (in rather non-risky, not so intrusive way)

I tried to keep backwards compatibility where it seemed to make sense
(e.g. the API endpoint) or the script that m

Remove mirrors related code (in rather non-risky, not so intrusive way)

I tried to keep backwards compatibility where it seemed to make sense
(e.g. the API endpoint) or the script that might still be called
somehow. Hopefully I didn't break anything but if I did feel free
to point it at me and sorry in advance :/

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escape the cname for the shell exec

Fix messed up URL here

Neat changes and additions; bells and whistles; still need to add RRN data.