Precising usage of detect STDOUT string and associated best practice.
Precising usage of detect STDOUT string and associated best practice.

 See discussion at http://cf-dev.70369.x6.nabble.com/cf-dev-Droplets-and-Stacks-tp946p1096.html and request by buildpacks team (Mike M) for this PR.

cloudfoundry/docs-buildpacks,TimGerlach/docs-buildpacks