Add the config preset features to the view:

It is often difficult to get access to the preset features in the config. Adding
the preset features solves this problem.

src/ripple/app/tx/impl/Transactor.cpp

@@ -331,8 +331,7 @@ TER
 Transactor::checkSign (PreclaimContext const& ctx)
 {
     // Make sure multisigning is enabled before we check for multisignatures.
-    if ((ctx.view.rules().enabled(featureMultiSign,
-            ctx.app.config().features)))
+    if (ctx.view.rules().enabled(featureMultiSign))
     {
         // If the pk is empty, then we must be multi-signing.
         if (ctx.tx.getSigningPubKey().empty ())