92 photo in contacts

Fixes #92 - provides resizable background splash image on contact view with overlaid semitransparent gradient to fade image into solid background.

![screen shot 2014-05-01 at 10 07 54 pm](https://cloud.githubusercontent.com/assets/704760/2859862/00038c42-d1b8-11e3-8f5b-f2ea1a699b43.png)



@alanjosephwilliams ready for review and merge.