Update cpp-common and add commit call
Merge pull request #62 from Metaswitch/commit_log

[No reviewer] Update cpp-common and add commit call
cpp-common update
Merge pull request #64 from Metaswitch/cpp_up

[No reviewer] cpp-common update
Take latest cpp-common
Police timers
Merge pull request #65 from Metaswitch/iss48

[Reviewer: Andy] Police timers
Merge remote-tracking branch 'origin/master' into fakelogger