refactor(@angular/cli): clean up `getProjectDependencies` and add return types
refactor(@angular/cli): clean up `getProjectDependencies` and add return types

ocombe/angular-cli,catull/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,catull/angular-cli,geofffilippi/angular-cli,clydin/angular-cli,angular/angular-cli,Brocco/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli,clydin/angular-cli,ocombe/angular-cli,catull/angular-cli,ocombe/angular-cli,angular/angular-cli,Brocco/angular-cli,angular/angular-cli,geofffilippi/angular-cli,catull/angular-cli,angular/angular-cli,Brocco/angular-cli,ocombe/angular-cli,clydin/angular-cli,clydin/angular-cli