- client using relay servers and message layer security
Merge branch '20130408-javascript' of github.com:openpeer/opios into 20130408-javascript

# By Sergej Jovanovic
# Via Sergej Jovanovic
* '20130408-javascript' of github.com:openpeer/opios:
  Model extended with HOPImage entity where downloaded avatar images are stored. Added lazy image download in sample application.
  Commented unused urls.
  Added tab control. Created settings view controller that replaces demo action sheet. Added home user info view controller.
  Contacts table UI update