continue change some links' name ,powerpoint to presentation

OfficeJS/lib/presentation/slideshow_editor.css

@@ -91,7 +91,7 @@
 }
 
 #add_slide_button{
-  background-image: url("lib/powerpoint/images/filenew.png");
+  background-image: url("lib/presentation/images/filenew.png");
   background-repeat:no-repeat;
   background-position:center;
   -moz-user-select: -moz-none;
@@ -102,11 +102,11 @@
 }
 
 .remove_slide_button{
-  background-image: url("lib/powerpoint/images/editdelete.png");
+  background-image: url("lib/presentation/images/editdelete.png");
 }
 
 .edit_slide_button{
-  background-image: url("lib/powerpoint/images/exec.png");
+  background-image: url("lib/presentation/images/exec.png");
 }
 
 .slide_dialog iframe{

OfficeJS/lib/presentation/slideshow_editor.js

@@ -263,7 +263,7 @@ $(document).ready(function(){
     //Configure the dialog to add a slide
     addSlideIframe = $("<iframe>");
     addSlideIframe.attr('id','iframe_add_slide');
-    addSlideIframe.attr('src','/lib/powerpoint/TestPage_viewSlideCreator');
+    addSlideIframe.attr('src','/lib/presentation/TestPage_viewSlideCreator');
 
     addSlideIframe.load(function() {
       function initFrame(){ 
@@ -348,7 +348,7 @@ $(document).ready(function(){
     //Configure the dialog to edit a slide
     editSlideIframe = $("<iframe>");
     editSlideIframe.attr('id','iframe_edit_slide');
-    editSlideIframe.attr('src','lib/powerpoint/TestPage_viewSlideEditor');
+    editSlideIframe.attr('src','lib/presentation/TestPage_viewSlideEditor');
 
     editSlideIframe.load(function() {
       function initFrame(){