[folks] Document the values of Folks.Presence.PresenceType.

[Travis Reitter <treitter src gnome org>]

commit 9b057c0d56073b83055a51e603918b0dc772f530
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Tue Oct 19 12:24:14 2010 -0700

    Document the values of Folks.Presence.PresenceType.

 folks/presence.vala |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/folks/presence.vala b/folks/presence.vala
index 83ce6b6..c1a3920 100644
--- a/folks/presence.vala
+++ b/folks/presence.vala
@@ -29,14 +29,41 @@ using GLib;
  * interface in the Telepathy specification.
  */
 public enum Folks.PresenceType {
+  /**
+   * never set
+   */
   UNSET,
+  /**
+   * offline
+   */
   OFFLINE,
+  /**
+   * available
+   */
   AVAILABLE,
+  /**
+   * away from keyboard
+   */
   AWAY,
+  /**
+   * away from keyboard for an extended period of time
+   */
   EXTENDED_AWAY,
+  /**
+   * also known as "invisible" or "appear offline"
+   */
   HIDDEN,
+  /**
+   * at keyboard, but too busy to chat
+   */
   BUSY,
+  /**
+   * presence not received from server
+   */
   UNKNOWN,
+  /**
+   * an error occurred with fetching the presence
+   */
   ERROR
 }