- fixed STUN packet logging to produce better debugging information
https://github.com/openpeer/hcs-instance-v1/issues/236
Merge branch '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios into 20131025-federated-cloud-contacts

# By Sergej Jovanovic
# Via Sergej Jovanovic
* '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios:
  Fixed ui issue when end button overlap title label
  Fixed some minor bugs. Finished improving sample app logger.
  Updated comments. Improved logger for application. Fixed one logger bug. Removed some unused methods.
  Moved cache to SDK. Fixed some minor bugs.
  More bugs  related to unread messages badge is fixed.
  Fixed corrupted UI, on session switch.
  Fixed the issue when incorrect message is shown for dropped call.
  fixed linking issue
  Updated logger on application side.
  Updated comments
  Updated cache logic
  Updated cache logic
  Did some code cleanup
  Updated targets. Updated the way missed call is handled.
  Updated APNS logic for making call when other part is not available.
  Updated logic for handling push notifications.
  Merged with master
  Updated readme
  Added push notification to sample app