Include COPY_CASE_FOLDER option for NorESM3

[TomasTorsvik]

For noresm2 we had the option to automatically copy the case folder into the archive directory. Would it be possible to include this option for noresm3?

From: cime/scripts/lib/CIME/case/case_st_archive.py:

    if self.get_value('COPY_CASE_FOLDER'):
        archiveroot = self.get_value('DOUT_S_ROOT')
        sync='rsync -avh'
        cmd="%s %s %s %s" %(sync,caseroot, archiveroot+'/case','>'+archiveroot+'/case.log') 
        logger.info("cmd={}".format(cmd))
        run_cmd_no_fail(cmd)

[monsieuralok]

@TomasTorsvik I will look into it and can have it in alpha01 and 02 together with compression..