[folks] docs: Add a description block for the new types.

[Travis Reitter <treitter src gnome org>]

commit e79fb69cf1602b31790d4749993ab2edd1fe05fa
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Wed Oct 26 11:35:06 2011 -0700

    docs: Add a description block for the new types.
    
    Note, however, that this is obscured in the final docs due to
    bgo#662793 (valadoc ignores comment blocks on namespaces).

 folks/types.vala |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/folks/types.vala b/folks/types.vala
index 39a61e6..509699b 100644
--- a/folks/types.vala
+++ b/folks/types.vala
@@ -20,6 +20,11 @@
 
 using GLib;
 
+/**
+ * New general types required by Folks.
+ *
+ * @since 0.3.1
+ */
 namespace Folks
 {
   /**