- Socket polling implementation
https://github.com/openpeer/op/issues/62

- Socket logging to debug / test socket monitor
https://github.com/openpeer/op/issues/63

- fix: Socket notification that throw exception due to queue being gone cause deadlock
https://github.com/openpeer/op/issues/61

- fix: Services global local goes out of scope on main thread will cause other thread to crash
https://github.com/openpeer/op-services-cpp/issues/28

- Clean-up thread shutdown / each module to self manage threads
https://github.com/openpeer/op/issues/41

- global singletons need to create themselves with safe singleton lazy shared pointer
https://github.com/openpeer/op/issues/59

- ISocket / Socket merger
https://github.com/openpeer/op/issues/64

- Fix services unit tests to compile
https://github.com/openpeer/op-services-cpp/issues/30

- Account deadlock due to lockbox state change notification
https://github.com/openpeer/op-stack-cpp/issues/55