Copy current service into disabled state when detected igniter validation error(s).
Implemented valid() function to check config validity on service_config side.
Implemented config validity check in test suite.
Defined first version of loadServiceConfig with cache support in service.
Fixed memory leaks when using cached config in service.
Gracefully stop running service in case of igniter validation error(s). Don't copy data to .disabled state for now.
Implemented reliable igniter version check. Accept version difference less than 0.1
Merge branch 'refs/heads/service_safety'