* Replace usages of $(CI) with $(ContinuousIntegrationBuild)

* Move RepoTasks to eng/tools/

* Remove dead code

* Update build.sh/ps1 to invoke Arcade instead of KoreBuild

* build/repo.props => eng/Build.props

* build/CodeSign.{props,targets} => eng/Signing.props

* build/repo.targets => eng/Build.props, eng/CodeGen.proj, and eng/AfterSolutionBuild.targets

* Remove AddAllProjectRefsToSolution.ps1

* Put selenium process tracking into artifacts/tmp/

* build/docker => eng/docker

* Move content from korebuild.json to global.json

* Remove cibuild.{sh,cmd} and update ci.yml

* Ensure vswhere detects BuildTools installations

* Remove sign check exclusions (Arcade does not support)

* list VS required components in global.json

* Update CodeCheck.ps1

* Update arcade (#11143)

* Fixups to broken build

* capture test results in xunit form
* attempt to fix code check
* restore before linux build
* remove duplicate signinfos

* More build fixes

* exclude node_modules from unique project check
* fixup signing props

* More build fixes

* Remove unused NoWarns
* Skip building site extension
* Suppress xunit color in console output
* Install x86 runtime

* Run KillProcesses.ps1 at end of build on CI

* activate env vars in codecheck.ps1

* Fix signing and generate build manifests

* Fixup code check and linux installers build

* Remove custom restore targets

* Import flaky test props

* Restore original manifest generation code and set warnAsErrors=false

* Alwasy restore the toolset

* More attempts at build fixes

* run restore before building deb/rpm packages
* pre-install Yarn.MSBuild
* Remove WIX workaround

* Attempt to fix RPM installers and x86 build

* Fix helix tests, java auto-detection, and code gen steps

* Globally disable MSBuild node resuse and capture MSbuild crash logs

* Cleanup build invocation for installers

* Set max time on xunit tests to 15 min

* Update helix-test.yml

* Fix Hosting tests

* Fix TestHost

* Fix Negotiate.Test

* Fix Mvc tests

* Capture results

* Fix Hosting tests

* Fix Kestrel tests

* Fix ServerComparison tests

* Fix DefaultBuilder functional tests

* Skip template tests

Need to run pack before running tests on mac/linux now

* Fix Identity test

* Fix ServerComparison tests

* Verify nginx installation on ubuntu

* Verify nginx installation?

* Try adding to path

* Try symlink

* Sudo?

* Woot it works

* Disable timeout

Template tests require more than 15 mins

* list env vars

* Use correct dotnet_home

* Prepent path instead

* Fix npmproj tests

* Fix CORS tests

* Debug signalr tests

* Debug signalr

* Capture bin

* Try building templates sequentially

* Debug signalr

* Cleanup

* Disable signalr npm tests

* Debug template test

* Try to fix templates again and make steps more reliable

* Cleanup

* Feedback