fix(@angular/cli): allow commandMap as an argument
fix(@angular/cli): allow commandMap as an argument

With a fallback to looking for it from current file.

geofffilippi/angular-cli,angular/angular-cli,catull/angular-cli,filipesilva/angular-cli,catull/angular-cli,beeman/angular-cli,ocombe/angular-cli,clydin/angular-cli,DevIntent/angular-cli,hansl/angular-cli,geofffilippi/angular-cli,catull/angular-cli,manekinekko/angular-cli,beeman/angular-cli,clydin/angular-cli,angular/angular-cli,DevIntent/angular-cli,Brocco/angular-cli,ocombe/angular-cli,ocombe/angular-cli,beeman/angular-cli,hansl/angular-cli,ocombe/angular-cli,clydin/angular-cli,angular/angular-cli,Brocco/angular-cli,Brocco/angular-cli,Brocco/angular-cli,DevIntent/angular-cli,clydin/angular-cli,hansl/angular-cli,geofffilippi/angular-cli,hansl/angular-cli,catull/angular-cli,Brocco/angular-cli,filipesilva/angular-cli,filipesilva/angular-cli,DevIntent/angular-cli,angular/angular-cli,geofffilippi/angular-cli,manekinekko/angular-cli,manekinekko/angular-cli,beeman/angular-cli,filipesilva/angular-cli,DevIntent/angular-cli,ocombe/angular-cli