Fixes overly-long query in cannibalism scenario.

There's not really any reason to use the extra space when we already
have a shorter phrasing in other, similar cases.
Bring changelog up to date (and dos2unix it).
Fix typos in changelog >_<
Renamed migo_speech to speech.json
fixed documentation
Merge pull request #6264 from Rivet-the-Zombie/cannibal-message-fix

Fixes overly-long query in cannibalism scenario.
Merge pull request #6269 from Soyweiser/Migo_speech_rename

Migo speech rename