Local plugin to verify deployment for sslproxy

Usage:

    $ bosh deployment examples/dns-with-certificates.yml
    $ bosh verify deployment
    WARNING: loading local plugin: lib/bosh/cli/commands/verify_deployment.rb
    Ensuring director_uuid explicitly set                        FAILED
    Checking for at least one sslproxy job template              OK
    Checking sslproxy job for network with static IPs            OK
    Checking sslproxy job has one IP per instance                OK
    Checking properties.router.servers provided                  OK
    Checking for provided SSL certificates                       OK
    Verifying certificate matches to certificate key             OK
    Explicitly set director_uuid to a UUID for production deployments

    $ bosh deployment examples/dns.yml
    $ bosh verify deployment
    WARNING: loading local plugin: lib/bosh/cli/commands/verify_deployment.rb
    Ensuring director_uuid explicitly set                        FAILED
    Checking for at least one sslproxy job template              OK
    Checking sslproxy job for network with static IPs            OK
    Checking sslproxy job has one IP per instance                OK
    Checking properties.router.servers provided                  OK
    Checking for provided SSL certificates                       FAILED
    Explicitly set director_uuid to a UUID for production deployments
    Defaulting to self-signed certificates
document 'bosh verify deployment' in readme
Merge pull request #4 from cloudfoundry-community/verify_sslcerts

Verify SSL certs