added test classes
Merge branch 'develop' of https://github.com/xakerok/SystemStatusScaner into develop

Conflicts:
	src/include/core/calculator_cpu.h
	src/include/core/calculator_ram.h
	src/include/core/data_calculator.h
	src/include/core/data_storage.h
	src/src/core/calculator_cpu.cpp
	src/src/core/calculator_ram.cpp
	src/src/core/data_storage.cpp