Add/implement subfleet cost_block_hour and block_time for PIREP API

app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php

@@ -15,6 +15,8 @@ class CreateSubfleetTables extends Migration
             $table->unsignedInteger('airline_id')->nullable();
             $table->string('type', 50)->unique();
             $table->string('name', 50);
+            $table->unsignedDecimal('cost_block_hour');
+            $table->unsignedDecimal('cost_delay_minute');
             $table->unsignedTinyInteger('fuel_type')->nullable();
             $table->unsignedDecimal('ground_handling_multiplier')->nullable()->default(100);
             $table->unsignedDecimal('cargo_capacity')->nullable();

app/Database/migrations/2017_06_28_195426_create_pirep_tables.php

@@ -28,6 +28,7 @@ class CreatePirepTables extends Migration
             $table->unsignedInteger('level')->nullable();
             $table->unsignedDecimal('distance')->nullable();
             $table->unsignedDecimal('planned_distance')->nullable();
+            $table->unsignedInteger('block_time')->nullable();
             $table->unsignedInteger('flight_time')->nullable();
             $table->unsignedInteger('planned_flight_time')->nullable();
             $table->unsignedDecimal('zfw')->nullable();