Refactor the database, in preparation to moving to postgresql

database/migrations/2014_10_12_000000_create_users_table.php

@@ -14,7 +14,7 @@ class CreateUsersTable extends Migration
 	public function up()
 	{
 		Schema::create('users', function (Blueprint $table) {
-			$table->increments('id');
+			$table->id();
 			$table->string('name');
 			$table->string('email')->unique();
 			$table->timestamp('email_verified_at')->nullable();