Fixes runtime logging and makes it a config option.

Option starts off by default, since that could be seen as the original behavior...

Signed-off-by: Mloc-Argent <colmohici@gmail.com>

code/controllers/configuration.dm

@@ -18,6 +18,7 @@
 	var/log_adminwarn = 0				// log warnings admins get about bomb construction and such
 	var/log_pda = 0						// log pda messages
 	var/log_hrefs = 0					// logs all links clicked in-game. Could be used for debugging and tracking down exploits
+	var/log_runtime = 0					// logs world.log to a file
 	var/sql_enabled = 1					// for sql switching
 	var/allow_admin_ooccolor = 0		// Allows admins with relevant permissions to have their own ooc colour
 	var/allow_vote_restart = 0 			// allow votes to restart
@@ -242,6 +243,9 @@
 				if ("log_hrefs")
 					config.log_hrefs = 1
 
+				if ("log_runtime")
+					config.log_runtime = 1
+
 				if("allow_admin_ooccolor")
 					config.allow_admin_ooccolor = 1