check for .env instead of Gemfile.lock
check for .env instead of Gemfile.lock

something about how travis is configured to work with bundler, it
doesn't seem to be leaving a lock file.

this seems more flexible going forward too, as we might include
Gemfile.lock with the template

hayduke19us/pliny,interagent/pliny,fdr/pliny,fdr/pliny,fdr/pliny,hayduke19us/pliny,hayduke19us/pliny,interagent/pliny,interagent/pliny