Changing to using B,I,U for editor style toolbar and remove 'Clear all styles' icon

editor/base/nsIEditProperty.h

@@ -111,6 +111,8 @@ public:
   static nsIAtom *dt;        
   static nsIAtom *dd;        
   static nsIAtom *legend;    
+
+  /** properties **/
   static nsIAtom *color;     
   static nsIAtom *face;      
   static nsIAtom *size;      

editor/libeditor/base/nsIEditProperty.h

@@ -111,6 +111,8 @@ public:
   static nsIAtom *dt;        
   static nsIAtom *dd;        
   static nsIAtom *legend;    
+
+  /** properties **/
   static nsIAtom *color;     
   static nsIAtom *face;      
   static nsIAtom *size;      

editor/ui/composer/content/EditorAppShell.xul

@@ -328,7 +328,6 @@
         </titledbutton>
 	      <titledbutton src="chrome://editor/skin/images/ED_Italic.gif" align="bottom" onclick="EditorApplyStyle('i')"/>
 	      <titledbutton src="chrome://editor/skin/images/ED_Underline.gif" align="bottom" onclick="EditorApplyStyle('u')"/>
-	      <titledbutton src="chrome://editor/skin/images/ED_ClearStyle.gif" align="bottom" onclick="EditorRemoveStyle('all')"/>
 	      <titledbutton src="chrome://editor/skin/images/ED_Bullets.gif" align="bottom" onclick="EditorInsertList('ul')"/>
 	      <titledbutton src="chrome://editor/skin/images/ED_Numbers.gif" align="bottom" onclick="EditorInsertList('ol')"/>
 	      <titledbutton src="chrome://editor/skin/images/ED_Outdent.gif" align="bottom" onclick="EditorIndent('outdent')"/>