Stop with const char* in covariance

[KSkwarczynski]

We should stop storing covnariance names as const char*.

This can lead to pointer object death and we are stuck with matrix with no name no homeland alone.

This will break lot of things on experiement specyfic so we should do this after incoming big change.

MaCh3/covariance/covarianceBase.h

Line 29 in 60dfdff

covarianceBase(const char *name, const char *file);