0.1.55 Bookmarks add support to Mobile

- the plugin work on mobile (the open/close folders script is disabled);
- renamed "bookmarks-by-zaso.css" in "bookmarks-by-zaso-css-desktop.css"
- add "bookmarks-by-zaso-css-mobile.css";
- add a category plugin: "Controls";
- fixed on firefox accidental click event on the bookmark's link when the bookmark is dragged;
- edit z-index of the ribbon: now it's shown below the chat;