Update ./g --set-push-user to work with gerrit.
Update ./g --set-push-user to work with gerrit.

Change-Id: If83b29222740e9d479d8b3c9b9d90ccc3706cd49

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core