#33 add airline country ID and hex code for aircraft

database/migrations/2017_06_08_191703_create_airlines_table.php

@@ -17,6 +17,7 @@ class CreateAirlinesTable extends Migration
             $table->increments('id');
             $table->string('code');
             $table->string('name');
+            $table->char('country', 2)->nullable();
             $table->boolean('active');
             $table->timestamps();