- added drag & drop event support  * visual-editor re-fires custom events (text-dropped, files-dropped)
- added drag & drop event support
 * visual-editor re-fires custom events (text-dropped, files-dropped)

- added a hackish workaround for the dual three.js libs (browser, browserified)
 in a temporary "addToScene" method in the visual editor

usco/usco-proto