Big update to “platformer” demo, fixes, and development coming soon: behaviors in edi

[DP News-Robot]

We have a big update to our examples/platformer demo. It is now a complete demo of a platformer game, with Level (and all UI) designed visually using CGE editor. Sprites sheets designed using CGE editor and managed in .castle-sprite-sheet format (see sprite sheets docs). Full platformer gameplay. Player can move, jump, pick up a weapon, …