added all Boot.xmf files under Clients/ to their corresponding package
manifests with option ^None, to make sure they get compiled on a full
build; additionally added Boot/BootMosaic.xmf, Boot/SystemProjects.xmf,
Clients/BootClients.xmf, Tools/Basic/RegistryContributions.xmf,
Tools/DiagramTools/Structure/RegistryContributions.xmf; simplyfied
readme.txt