Engine Culling (#104)

* Move groups.yml to content.

* Add unpowered light prototype from engine.

* Move prototypes and textures over.

* Update submodule

Resources/Groups/groups.yml

@@ -0,0 +1,34 @@
+- Index: 1
+  Name: Player
+  Commands:
+  - login
+  - joingame
+  - help
+  - list
+  - say
+  - whisper
+  - me
+  - ooc
+
+- Index: 50
+  Name: Moderator
+  Commands:
+  - login
+  - joingame
+  - help
+  - list
+  - say
+  - whisper
+  - me
+  - ooc
+
+- Index: 100
+  Name: Administrator
+  Commands:
+  - joingame
+  - help
+  - list
+  - say
+  - whisper
+  - me
+  - ooc