Check that ralf is responding and abort it if not
Set up our logging functionality earlier
Pull in latest cpp-common
Merge pull request #97 from Metaswitch/homestead-iss7

[Reviewer: Rob] Set up our logging functionality earlier
Merge pull request #96 from Metaswitch/iss57

[Reviewer: Andy] Check that ralf is responding and abort it if not
Take latest cpp-common
Change Metaswitch submodule refs to ClearwaterCore