Some changes to facilitate piggy bank events (see issue #6) and extra view info for clarity. [skip ci]

app/database/migrations/2014_08_18_100330_create_piggy_events.php

@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreatePiggyEvents extends Migration {
+
+	/**
+	 * Run the migrations.
+	 *
+	 * @return void
+	 */
+	public function up()
+	{
+		Schema::create('piggybank_events', function(Blueprint $table)
+		{
+			$table->increments('id');
+			$table->timestamps();
+            $table->integer('piggybank_id')->unsigned();
+            $table->date('date');
+            $table->decimal('amount', 10, 2);
+
+            // connect instance to piggybank.
+            $table->foreign('piggybank_id')
+                ->references('id')->on('piggybanks')
+                ->onDelete('cascade');
+		});
+	}
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		Schema::drop('piggybank_events');
+	}
+
+}