Rename GeoIP2 => GeoIp2 for consistency

src/GeoIp2/Record/Postal.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace GeoIp2\Record;
+
+/**
+ * Contains data for the postal record associated with an IP address
+ *
+ * This record is returned by all the end points except the Country end point.
+ *
+ * @property string $code The postal code of the location. Postal codes are
+ * not available for all countries. In some countries, this will only contain
+ * part of the postal code. This attribute is returned by all end points
+ * except the Country end point.
+ *
+ * @property int $confidence A value from 0-100 indicating MaxMind's
+ * confidence that the postal code is correct. This attribute is only
+ * available from the Omni end point.
+ */
+class Postal extends AbstractRecord
+{
+    /**
+     * @ignore
+     */
+    protected $validAttributes = array('code', 'confidence');
+}