No Elara Dorne Character customization at all. I haven't encountered any so far. No even in the CE store. I am disappoint.
Check out http://www.youtube.com/watch?v=ikmOqbhxH4I
Here's a video on where to find the Character Customization for Elara Dorne and many other companions. No level requirement to get it, just need 12,500 credits. Enjoy and please like the video :]