Updates from integrating token auth for Angular app

See _projectNotes.txt
13) Set RefreshTokenUsage = TokenUsage.ReUse in client definition
14) Added new scope authTestAPI
15) Added conditional code to set up for either a Reference Token or a
Jwt to be used by the client app
(currently set to compile for Reference Token)
16) Tested with reference token, recompiled both client and server apps
with #if set to false
17) Tested with Jwt