The AI now has a radio channel for its private frequency + Clone Cleanup

The AI can now communicate on its private channel using :o :O and variants.
The AI can state laws on the private channel.
Adds a helpful on-creation message to inform people about all available radio channels.
Technically possible to gain fully dynamic language support as well by looping over all languages and comparing against the language-key but seems fairly overkill at this point.
YAGNI.