* support authentication using token credentials.
* address PR feedback
* use overload instead of optional argument to be compatible without requiring recompilation
* address PR feedback
* address PR feedback
* Update tooling for Hello samples
* update tooling in load generator and performance tests
* remove unneded dependency on Microsoft.Azure.Functions.Extensions
* harden unit test logger
* fix small errors and add some tracing in performance tests
* edit perftests
* update concurrency default
* change throughput scale for word hash
* update series, and use public access blob for gutenberg
* update bank and fanoutfanin series
* limit number of words counted in each book to allow better load balancing
* fix error and select EP2 for alt
* update wordcount definitions for EP2 and EP3
* update wordcount definition for EP1
* add load generator app
Jacob Viau
sebastianburckhardt
Christian Lechner