- Fix: RUDP messaging doesn't think it is established because of a missing lock
https://github.com/openpeer/op-stack-cpp/issues/53
- fix: Alice goes to background, Bob doesn't fully realize Alice is gone
https://github.com/openpeer/op-stack-cpp/issues/52

- Fix: RUDP doesn't recognize remote close properly so disconnection takes too much time
https://github.com/openpeer/op-stack-cpp/issues/54
- Fix: Core conversation thread doesn't seem to detect when push is to be sent or not properly
https://github.com/openpeer/op-core-cpp/issues/4
Merge branch '20131025-federated-cloud-contacts' into feature-20140307-op-push-and-reconnection-fix

# By Sergej Jovanovic
# Via Sergej Jovanovic
* 20131025-federated-cloud-contacts:
  Added missing header for APNS target.
  Added cancel button on qr scanner screen, to cancel scanning.
  Settings cleanup. Cache database is now saved in Cache folder. It is enabled that developers can implement their cache storage.
  2nd stage settings. Updated loading settings flow. Removing QR applied settings on logout. Fixed known settings bugs.
  Added method for preloding settings
Fixed wrong settings key bug and value for openpeer/stack/finder-max-client-session-keep-alive-in-seconds is set to 300
- reverted back to proper submodule push fix
- Fix: messages were considered illegal during pre-identify stage which were legal
https://github.com/openpeer/opios/issues/234
Improved logger. Log messages are created only for selected log levels.