add airports table and #7 integrate permissions

database/migrations/2017_06_11_135707_create_airports_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+
+class CreateAirportsTable extends Migration
+{
+
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('airports', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('icao', 5)->unique();
+            $table->string('name');
+            $table->string('location')->nullable();
+            $table->float('lat', 7, 4)->default(0.0);
+            $table->float('lon', 7, 4)->default(0.0);
+            $table->timestamps();
+            $table->softDeletes();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::drop('airports');
+    }
+}