deployment: support for installation via composer require [Closes #143]

installation via "composer require" is not recommended, use "composer create-project"

src/deployment.php

@@ -9,23 +9,12 @@
 	exit(1);
 }
 
-require __DIR__ . '/../vendor/autoload.php';
-require __DIR__ . '/Deployment/Server.php';
-require __DIR__ . '/Deployment/FtpServer.php';
-require __DIR__ . '/Deployment/SshServer.php';
-require __DIR__ . '/Deployment/PhpsecServer.php';
-require __DIR__ . '/Deployment/FileServer.php';
-require __DIR__ . '/Deployment/RetryServer.php';
-require __DIR__ . '/Deployment/Helpers.php';
-require __DIR__ . '/Deployment/Safe.php';
-require __DIR__ . '/Deployment/Logger.php';
-require __DIR__ . '/Deployment/Deployer.php';
-require __DIR__ . '/Deployment/Preprocessor.php';
-require __DIR__ . '/Deployment/CommandLine.php';
-require __DIR__ . '/Deployment/CliRunner.php';
-require __DIR__ . '/Deployment/ServerException.php';
-require __DIR__ . '/Deployment/JobRunner.php';
-require __DIR__ . '/Deployment/JobException.php';
+if (is_file(__DIR__ . '/../vendor/autoload.php')) {
+	require __DIR__ . '/../vendor/autoload.php';
+
+} elseif (is_file(__DIR__ . '/../../../autoload.php')) {
+	require __DIR__ . '/../../../autoload.php';
+}
 
 
 $runner = new CliRunner;