Patch 0.8.4

Added: [list] [*] Option to limit the number of frames per second. [*] The message when the energy ran out while working. [/list] Changed: [list] [*] Unused menus have been removed. [*] Models of wooden signboards have been updated. [*] Added arrows and names to the sand casting flask menu. [*] The grass has been resized and the shading slightly altered. [/list] Fixed: [list] [*] Improved collision/physics of dropped containers. [/list]