add a composer helper to install

Modules/Core/Services/composer.php

+<?php namespace Modules\Core\Services;
+
+class Composer extends \Illuminate\Foundation\Composer
+{
+    protected $outputHandler = null;
+    private $output;
+
+    /**
+     * Enable real time output of all commands.
+     *
+     * @param $handler
+     * @return void
+     */
+    public function enableOutput($handler)
+    {
+        $this->output = $handler;
+    }
+
+    /**
+     * Disable real time output of all commands.
+     *
+     * @return void
+     */
+    public function disableOutput()
+    {
+        $this->output = null;
+    }
+
+    /**
+     * Update all composer packages.
+     *
+     * @param string $package
+     * @return void
+     */
+    public function update($package = null)
+    {
+        if (!is_null($package)) {
+            $package = '"' . $package . '"';
+        }
+        $process = $this->getProcess();
+        $process->setCommandLine(trim($this->findComposer() . ' update ' . $package));
+        $process->run($this->output);
+    }
+
+    /**
+     * Require a new composer package.
+     *
+     * @param string $package
+     * @return void
+     */
+    public function install($package)
+    {
+        if (!is_null($package)) {
+            $package = '"' . $package . '"';
+        }
+        $process = $this->getProcess();
+        $process->setCommandLine(trim($this->findComposer() . ' require ' . $package));
+        $process->run($this->output);
+    }
+}