First part of overmind; several fixes

* Adds the first part of the overmind code.
* Disarming is now presented in bold text.
* Fixed a bug with the demon of rage looking up a no-longer-existing
location.
* Fixed a bug where the demon of rage got too large a boost to body.
* Lowered growth thresholds of the best fruits a bit.
* Removed old Bodmall code.