MCE: replace map-based CD system with time-based one

mapchooser_extended/translations/mapchooser_extended.phrases.txt

@@ -111,9 +111,15 @@
 		"en"			"VIP Nomination"
 	}
 
+	"Map Nominate Cooldown Error"
+	{
+		"#format"		"{1:d},{2:d}"
+		"en"			"You need to wait {1} hours and {2} minutes for the map to come off cooldown."
+	}
+
 	"Map Nominate VIP Error"
 	{
-		"en"			"Only VIPs can nominate this map."
+		"en"			"You need to be VIP to nominate this map."
 	}
 
 	"Map Nominate Time Error"
@@ -140,6 +146,12 @@
 		"en"			"The maximum amount ({1}) of maps from this group has already been nominated."
 	}
 
+	"Map Cooldown"
+	{
+		"#format"		"{1:d},{2:d}"
+		"en"			"Cooldown: {1}H{2}M"
+	}
+
 	"Map Time Restriction"
 	{
 		"#format"		"{1:s},{2:d},{3:d}"