METUtilities: Don't open files in ctors.
Don't try to open files in ctors in code that can run from the ctor of a Gaudi component --- otherwise, it'll run during genconf, etc. Do things like that in initialize instead.
Don't try to open files in ctors in code that can run from the ctor of a Gaudi component --- otherwise, it'll run during genconf, etc. Do things like that in initialize instead.