*Fix for Arctic join + Kd diagnostics o Moved Kd_interface diagnostic to before entrain_diffuse to diagnose true total Kd (in ALE) o Removed ability to match KPP to interior diffusivity o salt_restore.nc had bad data (moved old file to salt_restore_bad1.nc) o seawifs_1998-2006_smoothed_2x.nc had similar issues (moved old data to seawifs_1998-2006_smoothed_2x_bad1.nc)