disable fix for
issue #24 in order to fix issue 123, as suggested by koda
added MapHasBorder function for lua and finnished Random Weapons gameplay, might still change though
Switch default to the compost garbage ball (pending a proper mudball from a real artist), set Snowball for Snow theme only, change en.txt to Mudball
- Allow user to use undo, to clear, save and load drawn maps
- Fix a couple of bugs related to those operations
Another approach for fixing listener thread issues, should finally get rid of all problems. Not tested.