Atmospheric output for some commonly used configurations of NorESM2

In preparation for CMIP6 and the required model output for the various MIPs, NorESM2 has been set up with different configurations, all run as AMIP using the compset NF2000climo in noresm-dev (commit 7757f2d8258d5f84e960db12f840afebc69d7856).

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