Allow animated gifs in Map command

Also, restructure map classes. Also, fix layering.
Fix boss bars
Merge branch 'master' of https://github.com/DenizenScript/DeNiZeN-fOr-BuKkIt
Add map scripts and make maps save to maps.yml

Maps are currently not actually attached to their script
Make dEllipsoids notable

Untested. Also, remove pointless MapCursor direction check...
Merge pull request #896 from Morphan1/master

Pull request for things