more naming convention

now there are spawn objects!
now entity spawns are loaded from level!
now entity spawns are saved to level!

code/entities/player.lua

@@ -1,9 +1,9 @@
 Player = Entity:new()
+Player.type = "Player"
 
 function Player:new(x,y)
 	local o = Entity:new(x,y)
 
-	o.type = "player"
 	-- physics
 	o.zero_speed = 0.01 -- gameworld pixels
 
@@ -166,7 +166,7 @@ function Player:doLogic()
 		if self.is_hooked then
 			self:unhook()
 		else
-			local anchor = self:checkNearest("hook_anchor",self.hook_distance)
+			local anchor = self:checkNearest("HookAnchor",self.hook_distance)
 			if anchor then
 				self.is_hooked = true
 				self.hook_distance = anchor.hook_distance