Bookmarks 2.8

- vertical scrollbar;
- button to hide/show "x" buttons;
- bookmarks full-width in mobile (no margin-right);
- "auto draw" support drawtools current color;
- [Fixed problem with jQuery UI sortable](http://stackoverflow.com/questions/9440664/jquery-ui-sortable-drag-initiation-is-slow-when-container-has-hidden-items/9779344);
- minor UI and UX fix;