refactor(@angular/cli): change workspace host to use async Node APIs
refactor(@angular/cli): change workspace host to use async Node APIs

geofffilippi/angular-cli,angular/angular-cli,clydin/angular-cli,geofffilippi/angular-cli,angular/angular-cli,geofffilippi/angular-cli,clydin/angular-cli,geofffilippi/angular-cli,clydin/angular-cli,angular/angular-cli,angular/angular-cli,clydin/angular-cli