add missing migrations

compass/database/migrations/2000_00_00_000000_setup.php

@@ -0,0 +1,51 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class Setup extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('databases', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('name', 100);
+            $table->string('read_token', 255);
+            $table->string('write_token', 255);
+            $table->unsignedInteger('created_by');
+            $table->datetime('created_at');
+            $table->unique(['read_token','write_token']);
+        });
+        
+        Schema::create('users', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('url', 255);
+            $table->datetime('created_at')->nullable();
+            $table->datetime('last_login')->nullable();
+        });
+
+        Schema::create('database_users', function (Blueprint $table) {
+            $table->unsignedInteger('database_id');
+            $table->unsignedInteger('user_id');
+            $table->datetime('created_at')->nullable();
+            $table->primary(['database_id','user_id']);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::drop('users');
+        Schema::drop('databases');
+        Schema::drop('database_users');
+    }
+}