Added default MD5 checksums to RemoteObject.

src/HPCloud/Storage/ObjectStorage/ContentVerificationException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * @file
+ *
+ * Contains the ContentVerificationException object.
+ */
+namespace HPCloud\Storage\ObjectStorage;
+
+/**
+ * Content Verification error condition.
+ *
+ * This occurs when the server sends content whose value does
+ * not match the supplied checksum. See
+ * RemoteObject::setContentVerification().
+ *
+ */
+class ContentVerificationException extends \HPCloud\Exception {}