Latest release points at 2.0.7

[bradfordboyle]

Following the README, uploading the latest release gives 2.0.7 and not 2.1.0.

→ bosh2 upload-release https://storage.googleapis.com/bosh-gcp/beta/stackdriver-tools/latest.tgz
...
→ bosh releases | grep stackdriver
stackdriver-tools	2.0.7* 	6760188+

In 2.0.7, the agent config tries to load the application credentials from the nozzle job:

stackdriver-tools/jobs/stackdriver-agent/templates/collectd-gcm.conf.tmpl

Line 61 in 2712c2c

CredentialsJSON "/var/vcap/jobs/stackdriver-nozzle/config/application_default_credentials.json"