renamed booking supplier book_id to booking_id

updated bookingSupplier to supplierBooking
updated get supplier api in supplier report
added download button to download report

database/migrations/2018_07_02_104306_rename_booking_foreignkey_from_supplierbooking_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class RenameBookingForeignkeyFromSupplierbookingTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('supplier_bookings', function($table)
+        {
+            $table->dropForeign(['book_id']);
+            $table->dropColumn('book_id');
+            $table->integer('booking_id')->unsigned();
+            $table->foreign('booking_id')->references('id')->on('bookings');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}