Bring filenew, fileopen, fileprint, filequickprint, filesave, filesaveas, fileclose, editclear, editcopy, editcut, editdelete, editpaste, folder_new, and gohome icons into XDG compliance

plugin/simplestyle.cpp

@@ -488,7 +488,7 @@ QIcon Qt4TDEStyle::standardIconImplementation(StandardPixmap standardIcon, const
 			retswitch = 3;
 			break;
 		case QStyle::SP_FileDialogNewFolder:
-			iconLookupName = "folder_new";
+			iconLookupName = "folder-new";
 			retswitch = 3;
 			break;
 		case QStyle::SP_FileDialogDetailedView:
@@ -525,15 +525,15 @@ QIcon Qt4TDEStyle::standardIconImplementation(StandardPixmap standardIcon, const
 			retswitch = 3;
 			break;
 		case QStyle::SP_DialogOpenButton:
-			iconLookupName = "fileopen";
+			iconLookupName = "document-open";
 			retswitch = 3;
 			break;
 		case QStyle::SP_DialogSaveButton:
-			iconLookupName = "filesave";
+			iconLookupName = "document-save";
 			retswitch = 3;
 			break;
 		case QStyle::SP_DialogCloseButton:
-			iconLookupName = "fileclose";
+			iconLookupName = "window-close";
 			retswitch = 3;
 			break;
 		case QStyle::SP_DialogApplyButton: