MPS-19086 Generate Task fails due to unresolvable Class - quick support for per root persistence in build added
re-generate build scripts
Merge remote-tracking branch 'origin/MPS3.0' into 3.0/mikev/test
Merge remote-tracking branch 'origin/MPS3.0'

Conflicts:
	build/mpsDebuggerPlugin.xml
	build/mpsPlugins.xml
	build/mpsWorkbench.xml
	plugins/mps-build/languages/build.mps/generator/template/jetbrains/mps/build/mps/generator/template/main@generator.mps
	plugins/mps-build/solutions/mpsBuild/source_gen/jetbrains/mps/ide/build/mpsDebuggerPlugin.xml
	plugins/mps-build/solutions/mpsBuild/source_gen/jetbrains/mps/ide/build/mpsPlugins.xml
	plugins/mps-build/solutions/mpsBuild/source_gen/jetbrains/mps/ide/build/mpsWorkbench.xml