Bug 183167: Buttons in JavaScript Console need accesskeys

Adding accesskey attributes in xul and key definition in corrosponding dtds.
patch=jessie.li, r=kyle.yuan, sr=jaggernaut.

xpfe/components/console/resources/content/console.xul

@@ -52,7 +52,9 @@ Contributor(s): Joe Hewitt <hewitt@netscape.com>
 <command id="cmd_close" oncommand="window.close()"/>
 <command id="cmd_quit"/>
 
-  <broadcaster id="Console:clear" label="&clear.label;" oncommand="clearConsole();"/>
+  <broadcaster id="Console:clear" label="&clear.label;" 
+               accesskey="&clear.accesskey;" 
+               oncommand="clearConsole();"/>
   
   <broadcaster id="Console:sortAscend" label="&sortFirst.label;" 
                accesskey="&sortFirst.accesskey;"
@@ -70,12 +72,16 @@ Contributor(s): Joe Hewitt <hewitt@netscape.com>
 
 <broadcasterset id="ModeBroadcasters">
   <broadcaster id="Console:modeAll" label="&all.label;" 
+               accesskey="&all.accesskey;" 
                oncommand="changeMode('All');"/>
   <broadcaster id="Console:modeErrors" label="&errors.label;"
+               accesskey="&errors.accesskey;"
                oncommand="changeMode('Errors');"/>
   <broadcaster id="Console:modeWarnings" label="&warnings.label;"
+               accesskey="&warnings.accesskey;"
                oncommand="changeMode('Warnings');"/>
   <broadcaster id="Console:modeMessages" label="&messages.label;"
+               accesskey="&messages.accesskey;"
                oncommand="changeMode('Messages');"/>
 </broadcasterset>
 

xpfe/components/console/resources/locale/en-US/console.dtd

@@ -28,10 +28,15 @@ Contributor(s): ______________________________________. -->
 <!ENTITY errColumn.label "Column:">
 
 <!ENTITY all.label       "All">
+<!ENTITY all.accesskey   "A">
 <!ENTITY errors.label    "Errors">
+<!ENTITY errors.accesskey "r">
 <!ENTITY warnings.label  "Warnings">
+<!ENTITY warnings.accesskey "n">
 <!ENTITY messages.label  "Messages">
+<!ENTITY messages.accesskey "M">
 <!ENTITY clear.label     "Clear">
+<!ENTITY clear.accesskey "l">
 <!ENTITY evaluate.label  "Evaluate">
 
 <!ENTITY sortFirst.label "First > Last Sort Order">