(#138) logging: the instance id is now generated by the log context and transmitted using an $http interceptor
Merge branch 'feature-0.x/138-generate-instance-id-for-logging' into master-0.x

* feature-0.x/138-generate-instance-id-for-logging:
  (#138) logging: the instance id is now generated by the log context and transmitted using an $http interceptor