fix logging of the cordova command output

Apparently denodeify doesn't work as expected with exec.
Also bumped up the maxBuffer as I've had some problems with it overflowing in since new iOS8 Xcode
Fixes #95

lib/tasks/cordova.js

@@ -13,6 +13,6 @@ module.exports = function(rawArgs, project) {
   return function(){
     return runCommand(cdvCommand, msg, {
       cwd: path.join(project.root, 'cordova')
-    }, { stdout: true })();
+    })();
   };
 };

lib/utils/run-command.js

@@ -1,9 +1,9 @@
 'use strict';
 
-var Promise = require('../ext/promise');
-var exec    = Promise.denodeify(require('child_process').exec);
-var chalk   = require('chalk');
-var ui      = require('../ui');
+var Promise  = require('../ext/promise');
+var exec     = require('child_process').exec;
+var chalk    = require('chalk');
+var ui       = require('../ui');
 var defaults = require('lodash').defaults;
 
 module.exports = function runCommand(command, startedMsg, options) {
@@ -17,11 +17,27 @@ module.exports = function runCommand(command, startedMsg, options) {
     }
 
     options = defaults(options, {
-      maxBuffer: 1000 * 1024
+      maxBuffer: 5000 * 1024
     });
 
-    return exec(command, options).catch(function(err){
-      commandError(command, err);
+    return new Promise(function(resolve, reject) {
+      exec(command, options, function(err, stdout, stderr) {
+        ui.write('\n');
+
+        if (stdout && stdout.length) {
+          ui.write(stdout);
+        }
+
+        if (stderr && stderr.length) {
+          ui.write(stderr);
+        }
+
+        if (err) {
+          return reject(commandError(command, err));
+        }
+
+        resolve(stdout);
+      });
     });
   };
 };