fix image auto

Author: ngandinh

src/main/webapp/discussion.xhtml

@@ -65,6 +65,11 @@
 content: "\2014 \2009";
 }
 
+.commentText img {
+max-width:100%;
+height:auto;
+}
+
 .ui-dataview.headerless > .ui-dataview-header {
  display: none;
 }