{Release} Fast-forward dev to release#12011

Merged

jiasli merged 5 commits intodevfrom

Feb 1, 2020

Commits on Dec 19, 2019

init colorama in az --version to fix issue on windows (#11609)
fengzhou-msft
authored

Commits on Jan 3, 2020

Release 2.0.79
bim-msft
committed

Commits on Jan 13, 2020

Merge remote-tracking branch 'upstream/dev' into release
azclibot
committed

Commits on Jan 31, 2020