Crowbar floor tiles and placement (#429)

* Adds tile removing behavior to CrowbarComponent.
Add FloorTileItemComponent.
Add genhit.ogg
Add tile.png for testing

* fixes

* Gives ContentTileDefinition a default value for tile item to drop.
Adds a few more tileitems.

* Changes per review request

* move stack.use and if statement

Content.Server/GameObjects/Components/Stack/StackComponent.cs

@@ -132,5 +132,6 @@ namespace Content.Server.GameObjects.Components.Stack
         Cable,
         Ointment,
         Brutepack,
+        FloorTileSteel
     }
 }