Allow change messages to be displayed wider

Useful when the text on a line is really long

Signed-off-by: Shawn O. Pearce <sop@google.com>

appjar/src/main/java/com/google/gerrit/client/changes/ChangeScreen.java

@@ -169,6 +169,7 @@ public class ChangeScreen extends Screen {
     messagesContent.setStyleName("gerrit-ChangeMessages");
     messagesPanel = new DisclosurePanel(Util.C.changeScreenMessages());
     messagesPanel.setContent(messagesContent);
+    messagesPanel.setWidth("95%");
     add(messagesPanel);
   }
 
@@ -296,6 +297,7 @@ public class ChangeScreen extends Screen {
           new InlineLabel(Util.M.messageWrittenOn(FormatUtil.mediumFormat(msg
               .getWrittenOn()))));
       panel.setContent(mp);
+      panel.setWidth("98%");
       messagesContent.add(panel);
     }