Fix spec for job manifest path in error messages.
DNS domain name is configurable

- Allow separate microBosh and Bosh domain names
- Users can set their own custom domain name
Merge pull request #13 from cloudfoundry/dns_domain_name

DNS domain name is configurable
Merge pull request #12 from mmb/manifest_errors_spec

Fix spec for job manifest path in error messages.
Don't swallow exit codes in at_exit blocks
Cleanup require file
All requires should be in top level gemname.rb file
Removed creation of Route53 hosted zone

* This is a manual step now and should be reflected in documentation
Fix up functional tests for S3
Update blobstore_client in Gemfile.lock
Ensure all bosh gems are in the Gemfile.
Create S3 bucket for every test run