Update Bookmarks: 2.1 version

###### CHANGELOG:

**v 0.2.1:**
* auto-drawer improved UI;
* auto-drawer improved UI on mobile;
* fixed hidden box problem (I hope): sometimes the box and the ribbon are hidden;

**v 0.2.0:**
* code rewritten from scratch:
  * more optimization;
  * less animated effects;
* Sync;
* Hooks (for developers);
* Option panel:
  * manual import/export/reset of the data;
  * sharing of the data (only IITCm);
  * storage/reset the box position (only desktop);
* Auto-drawer feature: select two o three portals boomark to auto-draw a link or field (draw-tools required);
* IITCm: you can open/close the folders;
* IITCm: bookmarks/folders not sortable (the 'sortable' jquery function not work);