added new tiles
improved ad: added maximum of waiting time and loading bar
if enabled map editor, mouse is required on non touch devices;
updating hud when used a key
fixed bug that columns not disappering when enemy is destroyed that is caught
fixed jittering with dirty fix on android
adjusted key size
added new block gfx
added further tree gfx
added further tree images
fixed leaf picture
added new gfx to tree
added wood door
implemented wood door
added method to change the tiles per screen on the fly, +/- on numpad