auto-adaptation to jar files in lib, creation, use, and preservation
upon update or reinstall of a startup customization file (Max JVM
memory, custom java binary and custom JVM options as environment
variables). This is valid for all OS types (bash or batch startup) and
all installation methods (zip and nsis). Robustified a stupid version
management for workspace settings.
handle adding spritesheets. Fixed colorfilters not showing on the
worldmap and replacements simulator. Added "display type" (a.k.a rarity)
item field in the Items comparator.
