Allow arguments to flow through to callbacks in error conditions.

https://gist.github.com/1152218  Topic callbacks should receive all
arguments passed in error situations.  Currently only the first argument
is passed to the callback function regardless of how many arguments are
sent.

lib/vows.js

@@ -73,7 +73,7 @@ function addVow(vow) {
 
     }).on("error", function (err) {
         if (vow.callback.length >= 2 || !batch.suite.options.error) {
-            runTest([err], this.ctx);
+            runTest(arguments, this.ctx);
         } else {
             output('errored', { type: 'promise', error: err.stack || err.message || JSON.stringify(err) });
         }

lib/vows/context.js

@@ -28,7 +28,7 @@ this.Context = function (vow, ctx, env) {
                     if (typeof(e) === 'boolean' && args.length === 0) {
                         that.emitter.emit.call(that.emitter, 'success', e);
                     } else {
-                        if (e) { that.emitter.emit.call(that.emitter, 'error', e) }
+                        if (e) { that.emitter.emit.apply(that.emitter, ['error', e].concat(args)) }
                         else   { that.emitter.emit.apply(that.emitter, ['success'].concat(args)) }
                     }
                 };

lib/vows/extras.js

@@ -13,7 +13,7 @@ this.prepare = function (obj, targets) {
                     args.push(function (err /* [, data] */) {
                         var args = Array.prototype.slice.call(arguments, 1);
 
-                        if (err) { ee.emit('error', err) }
+                        if (err) { ee.emit.apply(ee, ['error', err].concat(args)) }
                         else     { ee.emit.apply(ee, ['success'].concat(args)) }
                     });
                     fun.apply(obj, args);