Document organization_id in VCAP_APPLICATION env vars
Document organization_id in VCAP_APPLICATION env vars

The next capi-release (1.83.0) will include the organization GUID of an
app in its VCAP_APPLICATION environment variables.

See:
https://github.com/cloudfoundry/cloud_controller_ng/commit/0f9ecb75a1081d64f84d1f3607cbf2050d1a38b1

[#166547310](https://www.pivotaltracker.com/story/show/166547310)

Co-authored-by: Tim Downey <ac5faf2072a7e8487ec8b27348636434d5c3410d@pivotal.io>
Co-authored-by: Mona Mohebbi <7eec3947ecb8a564875c5a07df13810a4b761e82@pivotal.io>

cloudfoundry/docs-dev-guide