add --package option to Gulp CLI help for all tasks

4 jobs for master in 4 minutes and 55 seconds
Status Job ID Name Coverage
  Init
passed #139813684
yarn

00:02:02

 
  Verify
passed #139813685
lint

00:01:35

failed #139813686
test

00:02:53

 
  External
failed continuous-integration/appveyor/branch

 
Name Stage Failure
failed
test Verify
  



[11:37:25] 'test' errored after 1.6 min
[11:37:25] Error in plugin "run-command"
Message:
Command failed: nyc
ERROR: Job failed: exit code 1