New conf.json option claimsRequireMinFactionMembers (defaults to 1, effectively disabled) which can be increased to prevent small (potentially one player) factions from claiming land until they have more members

src/com/massivecraft/factions/Conf.java

@@ -76,6 +76,7 @@ public class Conf {
 	
 	public static boolean claimsMustBeConnected = false;
 	public static boolean claimsCanBeUnconnectedIfOwnedByOtherFaction = true;
+	public static int claimsRequireMinFactionMembers = 1;
 	
 	public static double considerFactionsReallyOfflineAfterXMinutes = 0;