Reworks run-lifecycle task for developer usage
Reworks run-lifecycle task for developer usage

This task can now be run from developer machines, so long as AWS environment
variables are set. Additionally, the script accepts optional environment
variables for the purpose of referencing a custom metadata file path,
and custom rspec path/arguments.

Signed-off-by: Corey Innis <c6de6a297c7ba72017894924528d266f693d3f31@pivotal.io>

cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release,cloudfoundry-incubator/bosh-aws-cpi-release