Removes the ERP system because it has bugs in it/generates runtimes and I don't feel like maintaining/expanding it. If any of the other coders want to, they can re-add it.

Converts the metadata system into its own thing
Makes ghost_ears hear emotes as well as a test.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@3392 316c924e-a436-60f5-8080-3fe189b3f50e

code/datums/configuration.dm

@@ -33,7 +33,7 @@
 	var/traitor_scaling = 0 //if amount of traitors scales based on amount of players
 	var/protect_roles_from_antagonist = 0// If security and such can be tratior/cult/other
 	var/Tensioner_Active = 0			// If the tensioner is running.
-	var/allow_ERP = 1					// If naughtyness is allowed!
+	var/allow_Metadata = 0					// Metadata is suported.
 
 	var/list/mode_names = list()
 	var/list/modes = list()				// allowed modes
@@ -231,8 +231,8 @@
 				if ("feature_object_spell_system")
 					config.feature_object_spell_system = 1
 
-				if ("disallow_erp")
-					config.allow_ERP = 0
+				if ("allow_metadata")
+					config.allow_Metadata = 1
 
 				if ("traitor_scaling")
 					config.traitor_scaling = 1