more small changes

- dead people can no longer have two bodies, additional nameless dead people have been added to make up for the number of bodies needed.

- unidentified mushrooms are now better at triggering.
- monsters are now more likely to share with their friends.
- the chance of ending up in historically significant locations has drastically increased.
- things should now appear on top of other things less often.
- failing certain magic rolls is now more serious.
- doing better with hermits lasts longer now.
- traps should be better at being noticed.