-complete: All existing background subscriptions need to pass in "phase"
https://github.com/openpeer/op-stack-cpp/issues/56

- started: Introduce chained backgrounding subscriptions
https://github.com/openpeer/op-services-cpp/issues/29

- added: Each backgrounding subscriber should use a setting for attached phase
https://github.com/openpeer/op/issues/70

- added: Proxy subscription mechanism needs to be extended to support sending subscription object in delegate callback
https://github.com/openpeer/op/issues/71

- added: Proxy subscriptions need generic template system to auto-detect subscription param (if possible)
https://github.com/openpeer/op/issues/72
- complete: Proxy subscriptions need generic template system to auto-detect subscription param (if possible)
https://github.com/openpeer/op/issues/72
- Introduce chained backgrounding subscriptions
https://github.com/openpeer/op-services-cpp/issues/29
- Each backgrounding phase needs an optional timeout setting
https://github.com/openpeer/op-services-cpp/issues/33
Merge branch '20140307-dev-stable' into feature-20140314-push-before-backgrounding

# By Robin Raymond (5) and Sergej Jovanovic (3)
* 20140307-dev-stable:
  - fix: Account object doesn't get in shutdown state https://github.com/openpeer/op/issues/74
  - fix: Account object doesn't get in shutdown state (partial fix, something else is still wrong) https://github.com/openpeer/op/issues/74
  - Account object doesn't get in shutdown state https://github.com/openpeer/op/issues/74
  Fixed typo
  Identity object is canceled when get in shutdown state.
  Fixed first video call issue. Released all core objects except HOPStack.
  - fix: Contacts refresh - rolodex flag missing - stack was setting refresh to true but not copying correct structure to request https://github.com/openpeer/opios/issues/245
  - fix: App crashes when message is being sent after logout/login https://github.com/openpeer/op/issues/69

Conflicts:
	libs/op
- merge compile error fix
- Xcode has changed warnings and thus "treat errors as warnings" will cause compile errors. Since this is a 3rd party library we will let them fix the warnings on master and then pull them in later
- some project files were missing for Mac build
- Host / slave conversation needs to subscribe to backgrounding
https://github.com/openpeer/op-core-cpp/issues/5
- Host / slave conversation need to push upon backgrounding
https://github.com/openpeer/op-core-cpp/issues/6

- Each backgrounding subscriber should use a setting for attached phase
https://github.com/openpeer/op/issues/70
- fix: finished testing and fixing phased backgrounding
https://github.com/openpeer/op/issues/73
- wrap all of services::backgrounding in core layer
https://github.com/openpeer/op-core-cpp/issues/12
Sending rich push notifications
Handling received rich push messages.
Fixed some handling rich push bugs. Improved logger for rich push stuff. Regular push for missed call .
Rich push is handled after account and identity get in ready state.
Added log for hint location
Merging sessions fix.
Merge branch 'feature-20140317-rich-push' into 20140307-dev-stable
Merge branch '20140307-dev-stable' into feature-20140314-push-before-backgrounding

* 20140307-dev-stable:
  Merging sessions fix.
  Added log for hint location
  Rich push is handled after account and identity get in ready state.
  Fixed some handling rich push bugs. Improved logger for rich push stuff. Regular push for missed call .
  Handling received rich push messages.
  - fix: moved final outside candidates beside ICE tags https://github.com/openpeer/op-core-cpp/issues/17
  - added ICE final flag for media https://github.com/openpeer/op-core-cpp/issues/17
  - fix: updated call log levels to more appropriate values https://github.com/openpeer/op-core-cpp/issues/17
  - fix: wasn't remembering candidate version once fetched https://github.com/openpeer/op-core-cpp/issues/17
  Sending rich push notifications
  - fix: Don't wait for ICE to be ready for media https://github.com/openpeer/op-core-cpp/issues/8
  - Xcode has changed warnings and thus "treat errors as warnings" will cause compile errors. Since this is a 3rd party library we will let them fix the warnings on master and then pull them in later

Conflicts:
	libs/op
- missed interaction subscription method "subscribe"
https://github.com/openpeer/op/issues/73
Backgrounding implementation on sdk and app side