Update from main#8

Merged

TillRasmussen merged 4 commits intoTillRasmussen:masterfrom CICE-Consortium:master

Jun 10, 2020

+1,000-424

Commits on Jun 4, 2020

Convergence on ustar for CICE. (#452 )
dabail10
authored

Commits on Jun 5, 2020

Update documentation including qc, debugger, and namelist table (#459 )
apcraig
authored

Commits on Jun 7, 2020

update izumi and implement intel20 workaround (#460 )
apcraig
authored

Commits on Jun 9, 2020

remove INTEL20_WORKAROUND and port to mustang (#462 )
apcraig
authored