Merge pull request #233 from sshipway/development

Correct bugs in Treasure Hunt code, add new landmarks
Cleanup.
Add easy variant of spider lair

This one was a special request from the users on my server. "Bring back
old spider lairs" :)
Minor shop readme.txt changes

Minor shop readme.txt changes to match other docs
Cleanup sample_themed.cfg

Cleanup sample_themed.cfg by removing superfluous configuration.
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	utils.py