[cli] bosh help with non-existent command should alert [fixes #50911339]
Extract AwsRegistry into its own file; retrofit spec
Avoid passing around instance state
Extract LightStemcell class from Ami
Shrink publish_ami.rb since it isn't run locally
Replace spec/publish_ami.rb with a rake task
Stop creating unused stemcell-ami.txt
Simplify light stemcell creation
Extract "publish to pipeline" to reuse for light stemcell
Internalize param that never changes and rename method
[openstack_cpi] Fail nicely if VM flavor does not have ephemeral disk [fixes #50904773]
[openstack_cpi] Use /dev/sd* convention for device names
[director] Scan should detect when a disk is no longer attached to a vm [#fixes 45815909]

- It also adds a resolution to reattach disk and reboot vm (as some kernel reassigns the
device name to the next available, so we should reboot the vm to get the correct device name)
Merge pull request #232 from cloudfoundry/cli_help

[cli] bosh help with non-existent command should alert [fixes #50911339]
[blobstore_client] extra help if misinvoked

Output now looks like:

    $ bin/blobstore_client_console
    Usage: blobstore_client_console [options]
        -p, --provider PROVIDER
        -c, --config FILE

    Example config file:
    ---
    endpoint: http://1.2.3.4:25250
    user: agent
    password: agent
    bucket: resources
initial agent_client readme with usage
how to get an example apply spec
[agent_client] Initial readme
[agent_client] wordpress example spec
[agent] CompilePackage class documentation