icon added to discussion control panel.

svn path=/plone.app.discussion/trunk/; revision=27357

plone/app/discussion/TODO.txt

@@ -4,8 +4,6 @@ plone.app.discussion to-do
 
  [ ] IE: cancel button in reply-to-comment form does not work
 
- [ ] Discussion Control Panel: No icon
-
  [ ] Chrome (Linux): Reply to comment is not working
      (TypeError: long() argument must be a string or a number)
 
@@ -67,3 +65,5 @@ plone.app.discussion to-do
 
     - install plone.registry records using registry.xml
     - create control panel using helper class in plone.app.registry
+
+ [X] Discussion Control Panel: Add icon

plone/app/discussion/profiles/default/actionicons.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<action-icons xmlns:i18n="http://xml.zope.org/namespaces/i18n"
+    i18n:domain="plone">
+ <action-icon category="controlpanel" action_id="discussion"
+              title="Discussion" priority="0"
+              icon_expr="discussionitem_icon.gif"
+              i18n:attributes="title"/>
+</action-icons>