First soldier team item added.
Soldier item can contain multiple kind of soldiers.
If one member of soldier team survive at the end of battle, that soldier team item won't removed.
Quest log added
3 productive housing added
Lantern can be toggled by pressing 
Lantern will be equipment item in the future.
Soldiers never stuck with ladders from now and ever
bug fix- player character uphill angle limit returned to 49 degree
Character aim follows camera when melee attack again right after hit