Default docs for setting up ENV

[igolden]

would be nice to know what ENV variables I need to setup from README

[3/16/2017 11:50:33 PM] WARN: Unable to find 'AWS_PROFILE' in environment.
[3/16/2017 11:50:33 PM] WARN: Unable to find 'AWS_ACCESS_KEY_ID' in environment.
[3/16/2017 11:50:33 PM] WARN: Unable to find 'AWS_SECRET_ACCESS_KEY' in environment.
[3/16/2017 11:50:33 PM] WARN: Locate the missing CMR1 Travis CI AWS account keys, and export as ENV variables before testing.
[3/16/2017 11:50:33 PM] ERROR: Unable to find CMR1 AWS test account credentials!