- preparing for next set of changes
Merge branch '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios into 20131025-federated-cloud-contacts

* '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios:
  - updated change log
Fixed and improved displaying splash screen, displaying login messages and part of login procedure.
Merge branch '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios into 20131025-federated-cloud-contacts
- webrtc - reference to rendering window object is left retained in video rendering device component until the component is closed
Added call to stop media capture once call is ended.
Show message when account or identity error occur.
Added session recreation if account object shutdown after return fro the background. Avatar relationship for HOPImage entity  is mandatory now.
- merged in changes for ORTC-lib
Fixed crash on avatars download.
Merge branch '20131025-federated-cloud-contacts' of https://github.com/openpeer/opios into 20131025-federated-cloud-contacts
- fixed a whole bunch of path issues and xcode project settings issues to make compile more generic
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 crash on avatars download.
  Added session recreation if account object shutdown after return fro the background. Avatar relationship for HOPImage entity  is mandatory now.
- webrtc - fixed audio session releasing problem
- added IICETransprot
- fixed curl link error
Added ImageManager class, that will handle downloading images and storing in the core data. Fixed crash when more then 200 contacts is being downloaded. Optimised ContactsTableViewCell.
Update
Moved missing header to public.
Fixed minor bugs. Updated build script to delete previous framework build.
- added IICETransport implementation
- made logging XML/JSON based for easier interpretation of information
- fixed time since epoch to be duration instead of time_t