adding the ability for the stylesheet to be modified on a live server

+ timestamps

code/controllers/configuration.dm

@@ -1,6 +1,7 @@
 /datum/configuration
 	var/server_name = null				// server name (for world name / status)
 	var/server_suffix = 0				// generate numeric suffix based on server port
+	var/world_style_config = world_style
 
 	var/nudge_script_path = "nudge.py"  // where the nudge.py script is located