Adjustments to events

Adds alarm for the singularity containment field.

code/modules/power/singularity/containment_field.dm

@@ -62,7 +62,7 @@
 				user.burn_skin(shock_damage)
 				user.updatehealth()
 				user.visible_message("\red [user.name] was shocked by the [src.name]!", \
-					"\red <B>You feel a powerful shock course through your body sending you flying!</B>", \
+					"\red <B>You feel a powerful shock course through your body, sending you flying!</B>", \
 					"\red You hear a heavy electrical crack")
 
 				var/stun = min(shock_damage, 15)

code/modules/power/singularity/field_generator.dm

@@ -1,3 +1,4 @@
+var/containment_fail_announced = 0
 
 /*
 field_generator power level display
@@ -329,6 +330,13 @@ field_generator power level display
 
 
 		cleanup()
+			if(!containment_fail_announced)
+				containment_fail_announced = 1
+				var/obj/item/device/radio/a = new /obj/item/device/radio(null)
+				a.autosay("DANGER!  Field failure detected!  Immediate response advised!", "Singularity Monitoring Computer")
+				del(a)
+				spawn(6000)	//10 minutes.
+					containment_fail_announced = 0
 			clean_up = 1
 			for (var/obj/machinery/containment_field/F in fields)
 				if (isnull(F))