Add unit-tests for PNReachability and PNServiceChannel
Add templates for PNConnectionChannelTest, PnMessagingChannelTest and PNConnectionTest. Start unit-testing for PNMessageChannel.
Add more tests for PNMessagingChannel
Add more tests for PNMessagingChannel
Add states test for PNConnection
Add tests for PNConnection
Add more test to PNConnectionChannel
Final part of PNConnectionChannel tests
Add stubs for requests tests
Add templates for tests
Add tests for PNBaseRequest
Start with tests of PNLatencyMeasureRequest
Add tests for PNLatencyMeasureRequest
Clean test for latency measure request
Add more test
Code cleaning
Move unit-tests
Fetch and merge with last changes from origin
Investigating reachability tests
Changes in Reachability: replace KVO with simple setter implementation due to inconsistency with unit-test