Preliminary implementation of master API keys

Part of #205

migrations/2015_02_24_000000_create_api_keys_table.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of Flarum.
+ *
+ * (c) Toby Zerner <toby.zerner@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+use Flarum\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+
+class CreateApiKeysTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $this->schema->create('api_keys', function (Blueprint $table) {
+            $table->string('id', 100)->primary();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        $this->schema->drop('api_keys');
+    }
+}