Use file:// prefix for blobstore_path like configure_micro_bosh.sh

This makes configure_micro_bosh_for_mcf.sh & configure_micro_bosh.sh more similar.
Merge pull request #151 from drnic/blobstore_for_mcf

Use file:// prefix for blobstore_path like configure_micro_bosh.sh
Made integration tests compatible with parallel_rspec
[#48749497] rake tasks to publish candidate gems and microbosh release to S3
[#48749497] Use BUILD_NUMBER rather than FLOW_NUMBER for setting the release filename
Fix broken cloudcheck integration test

* Updated dummy CPI to spawn processes more efficiently
* Updated sandbox to spawn processes more efficiently
Use parallel_test to run integration tests
Fix broken bootstrap external test
Validation error message improvements.
Error if latest alias is used when no releases are found on director.

Because of release name mismatches, manifests with an empty version
were being uploaded to the director and causing validation errors
during deployment.
When a task fails tell the user how to get more detail.
Merge pull request #153 from mmb/validator_errors

Validation error message improvements.
Merge pull request #154 from mmb/latest_missing

Error if latest alias is used when no releases are found on director.
Merge pull request #155 from mmb/error_debug

When a task fails tell the user how to get more detail.
Removed extraneous bundle exec in bootstrap AWS causing build failures
Merge branch 'master' into ironfoundry