Execute rake with "bundle exec" during deploys.
Execute rake with "bundle exec" during deploys.

This fixes deploys in the case that rake has been updated in the
Gemfile.

NREL/api-umbrella,apinf/api-umbrella,NREL/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,apinf/api-umbrella,NREL/api-umbrella,NREL/api-umbrella,apinf/api-umbrella