Fix /rsc in admin claims (#300)

* Fix restrictsubclaim in admin claims

* Allow players with /ignoreclaims on to toggle restrictsubclaim flag

src/main/java/me/ryanhamshire/GriefPrevention/GriefPrevention.java

@@ -1718,7 +1718,10 @@ else if (cmd.getName().equalsIgnoreCase("restrictsubclaim") && player != null)
 				return true;
 			}
 
-			if(!player.getUniqueId().equals(claim.parent.ownerID))
+			// If player has /ignoreclaims on, continue
+			// If admin claim, fail if this user is not an admin
+			// If not an admin claim, fail if this user is not the owner
+			if(!playerData.ignoreClaims && (claim.isAdminClaim() ? !player.hasPermission("griefprevention.adminclaims") : !player.getUniqueId().equals(claim.parent.ownerID)))
 			{
 				GriefPrevention.sendMessage(player, TextMode.Err, Messages.OnlyOwnersModifyClaims, claim.getOwnerName());
 				return true;