remove SwiftMailer and add as dependency through Composer, update doc…

…umentation

remove SwiftMailer, add as dependency through Composer

Update docs, change lib loading and dependencies

Remove additional path elements because PEAR is clevererer than I gave it credit for...

Closes #11
Closes #22

.gitignore

@@ -1,3 +1,4 @@
-Test/coverage/*
-examples/*
-dist/
+Test/coverage/*
+examples/*
+dist/
+vendor/*

README.md

@@ -44,12 +44,14 @@ Before we begin using the library, its important to understand a few things abou
 
 ## Mail Usage ##
 
-To begin using this library, you must first include it
+To begin using this library, you must first include it and the dependencies. Composer makes this easy, just add:
 
 ```php
-include 'path/to/sendgrid-php/SendGrid_loader.php';
+require 'vendor/autoload.php';
 ```
 
+This will include both the SendGrid library, and the SwiftMailer dependency.
+
 Then, initialize the SendGrid object with your SendGrid credentials
 
 ```php

SendGrid/Smtp.php

@@ -15,7 +15,13 @@ class Smtp extends Api implements MailInterface
 
   public function __construct($username, $password)
   {
-    require_once ROOT_DIR . 'lib/swift/swift_required.php';
+    /* check for SwiftMailer,
+     * if it doesn't exist, try loading
+     * it from Pear
+     */
+    if (!class_exists('Swift')) {
+      require_once 'swift_required.php';
+    }
     call_user_func_array("parent::__construct", func_get_args());
 
     //set the default port

Test/a_loaderTest.php

@@ -1,7 +1,7 @@
 <?php 
 
 //we'll use this class to autoload the appropriate files
-require_once __dir__ . "/../SendGrid_loader.php";
+require_once __dir__ . "/../vendor/autoload.php";
 
 //include any mock classes
 require_once __dir__ . "/Mock/Mock_loader.php";

composer.json

@@ -5,5 +5,9 @@
     "license": "MIT",
     "autoload": {
         "files": ["SendGrid_loader.php"]
+    },
+    "require": {
+    	"swiftmailer/swiftmailer": "v4.3.0"
     }
+
 }