* Move Components.Build to blazor/src/. No content changes yet.
* Rename Components.Build to Blazor.Build and update file paths
* Move Components.Build.Test files. No content changes yet.
* Update contents in Blazor.Test
* Fix names of props/targets files
* Add minimal Components.Build package that just imports Razor targets and analyzer
* Make Blazor.Build depend on Components.Build and get Razor compilation targets from there
* Fix version of reference from .Blazor.Build to .Components.Build
* Fix signing error on local builds
* Update artifacts.props
Steve Sanderson