[outputs] add Microsoft Teams as an alerting output#1079

Merged

chunyong-lin merged 4 commits intoairbnb:release-3-1-0from jack1902:output/teams

Jan 27, 2020

+789-4

Commits on Jan 10, 2020

[core] Initial Microsoft Teams output code commit, looking for feedback
jack1902
committed
[testing] added TeamsOutput Testing (used slack tests as template), ammended list for output_base aswell
jack1902
committed

Commits on Jan 13, 2020

[docs] added Microsoft Teams to output documentation
jack1902
committed

Commits on Jan 27, 2020

[core] Moved pymsteams to package.py
jack1902
committed