AppAuth 1.5.0 release#12160

Merged

AlexGhiondea merged 3 commits intoAzure:masterfrom

nonik0:master

May 20, 2020

Commits on May 19, 2020

Updating App Services MSI client to use new API version
nonik0
committed
Fixing backwards compatibility issue with missing ctor signature
nonik0
committed
KeyVaultClient updates, other various cleanup/refactoring, update NuGet version
nonik0
committed