Move cpp-common to the sas_integration branch
Update to SAS-aware HTTP stack
Take latest cpp-common
Remove ralf's version of sasevent (takes it from cpp-common)
Integrate SAS with Ralf
Attach the handler's trail ID to the Message
Raise Call-ID marker when receiving interim timer callbacks
Integrate with SAS aware diameter stack
Fix ralf UTs
Take latest cpp-common
take latest cpp-common
Log chronos HTTP flows at detail level
Move BillingControllerHandlerFactory into the header file (because it is a template)
Take latest cpp-common
Update cpp-common
Merge remote-tracking branch 'origin/master' into sas_integration
Update to reflect changed ChronosConnection API
More fixes
Merge pull request #21 from Metaswitch/fix_chronos_connection

[Reviewer: Alex] Fix Chronos connection
Merge remote-tracking branch 'origin/dev' into sas_integration