0.12

i add new tree type oak, now it can drop apples or wood.

Also make trees fall, by using way call UOCOMTF to make fall since realistic punch behave wearied. new methods may bring weird results when tree in cliff. it will be fixed in next update.

Extend of building system zombie ai broken, i fix it in near future. difficulty curve is changed to more interesting.

added little animations to feel smooth.

changed main menu, loading progress. (i fix slowness of loading in near future). added tips and hints

ADDED NEW VEHICLE "BOAT"  

paddle animation will fix in next update

changed main island.