[folks] docs: Add description for Folks.Utils class.

[Travis Reitter <treitter src gnome org>]

commit 56d0a5512cb3163345a1d7fb7dc8a36d118fa43c
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Wed Oct 26 12:15:21 2011 -0700

    docs: Add description for Folks.Utils class.

 folks/utils.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/folks/utils.vala b/folks/utils.vala
index 43600d2..70e738c 100644
--- a/folks/utils.vala
+++ b/folks/utils.vala
@@ -21,6 +21,11 @@
 
 using Gee;
 
+/**
+ * Utility functions to simplify common patterns in Folks client code.
+ *
+ * @since 0.6.0
+ */
 public class Folks.Utils : Object
 {
   internal static bool _str_equal_safe (string a, string b)