changed blockdata storage and naming to native minecraft style (requires rename of old cannons and projectile designs!)
added new command '/cannons blockdata' to show the blockdata of a clicked block.
Items have now a new syntax: "minecraft:material;displayname;lore1;lore2;..."
Version 2.5.0 uses a new block name structure, therefore all material names have to be changed. Alternatively the old files can be deleted and cannons will create new files (use a backup). Affected files: