use consistent skin for password inputs

plugins/c9.ide.ui/forms.js

@@ -298,7 +298,7 @@ define(function(require, exports, module) {
                         childNodes = [
                             new ui.label({ width : width, maxwidth: maxwidth, caption: name + ":" }),
                             new ui.password({
-                                //skin     : "codebox",
+                                skin: skins.textbox || "searchbox",
                                 width: options.width || widths.password,
                                 value: options.path 
                                     ? createBind(options.path)