Add pear modules, mail and net_smtp via composer (#93)

Add pear modules, mail and net_smtp via composer, remove php 5.6 build due to phpunit 6

lib/composer/vendor/phar-io/manifest/tests/values/BundledComponentTest.php

@@ -0,0 +1,42 @@
+<?php
+/*
+ * This file is part of PharIo\Manifest.
+ *
+ * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace PharIo\Manifest;
+
+use PharIo\Version\Version;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers PharIo\Manifest\BundledComponent
+ *
+ * @uses \PharIo\Version\Version
+ */
+class BundledComponentTest extends TestCase {
+    /**
+     * @var BundledComponent
+     */
+    private $bundledComponent;
+
+    protected function setUp() {
+        $this->bundledComponent = new BundledComponent('phpunit/php-code-coverage', new Version('4.0.2'));
+    }
+
+    public function testCanBeCreated() {
+        $this->assertInstanceOf(BundledComponent::class, $this->bundledComponent);
+    }
+
+    public function testNameCanBeRetrieved() {
+        $this->assertEquals('phpunit/php-code-coverage', $this->bundledComponent->getName());
+    }
+
+    public function testVersionCanBeRetrieved() {
+        $this->assertEquals('4.0.2', $this->bundledComponent->getVersion()->getVersionString());
+    }
+}