Cleanup for settings table and moved some seed data into the migrations

app/Models/Setting.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * Created by IntelliJ IDEA.
+ * User: nshahzad
+ * Date: 12/9/17
+ * Time: 6:24 PM
+ */
+
+namespace App\Models;
+
+use Eloquent as Model;
+
+class Setting extends Model
+{
+    public $table = 'settings';
+
+    public $fillable = [
+        'name',
+        'key',
+        'value',
+        'group',
+        'type',
+        'options',
+        'description',
+    ];
+
+    public $casts = [
+        'options' => 'array',
+    ];
+}