Adapt change log to release 3.0.
Adapt change log to release 3.0.

CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,saschazelzer/CppMicroServices,CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,CppMicroServices/CppMicroServices,ksubramz/CppMicroServices,ksubramz/CppMicroServices,CppMicroServices/CppMicroServices,saschazelzer/CppMicroServices