React to UsePerRequestServices rename
React to Identity SqlServer -> EntityFramework rename
Update test to use UsePerRequestServices
Update MusicStore SPA
HTML decode URL.
Fixing a few things

1. Changing the SigninAsAuthenticationType to a variable to avoid failures when the value changes.
2. Adding a Scripts folder like default VS projects.
3. Adding version numbers to GAC assemblies in the test project.
4. Adding a check for pack-exclude.