fix(cordova): use cordova command for now

To be safe, since there were issues running ionic project commands
against uninitialized projects.

Author: tlancina

lib/ionic/cordova.js

@@ -47,7 +47,7 @@ IonicTask.prototype.run = function(ionic, argv) {
         var notInstalledMsg = ['• You\'re trying to build for ', runPlatform, ', but don\'t have the platform installed yet.'].join('').yellow,
           installingMsg = ['∆ Installing ', runPlatform, ' for you.'].join('').blue,
           installedMessage = ['√ Installed platform ', runPlatform].join('').green,
-          installCmd = 'ionic platform add ' + runPlatform;
+          installCmd = 'cordova platform add ' + runPlatform;
         Logging.logger.info(notInstalledMsg);
         Logging.logger.info(installingMsg);
         // Logging.logger.info(installCmd);
@@ -98,7 +98,7 @@ IonicTask.prototype.run = function(ionic, argv) {
 
       plugins.forEach(function(plugin) {
         Logging.logger.info(['Installing ', plugin].join('').blue);
-        shelljs.exec('ionic plugin add ' + plugin);
+        shelljs.exec('cordova plugin add --save' + plugin);
       });
     })
     .then(function() {