fixed grid square tooltip not being reset when changing to different block from random

deleting a map file now also deletes the corresponding image file

for some reason imported maps were rotated by 90 degrees clockwise, should be fixed now

addec chat command !mbmapmaker

+ import function now also loads map name and description
+ fixed axis lines still being displayed when taking a screenshot
+ fixed script error when exporting maps while axis are active

+ removed restriction of spaces in map name
+ added restriction of bad symbols

added mechanism to not screenshot the axis lines

changed type from ServerContent to Tool

added exampleaddon addon.json for convenience

added (again) generation of an 'example addon' folder inside data/melonbomber in case someone wants to publish their creations