Switch back to gp2 volumes
Merge pull request #381 from danmcp/master

Merged by openshift-bot
Implement deployments with pods

Refactor the deployment mechanism to be exclusively pod based. Refactor
the deployment API accordingly. Improve test coverage, and provide the
foundational support for implementing more built-in deployment strategies.
Fix deployer image CLI and naming

Make the deployer naming consistent in the images/builds. Fix up
the usage of the Recreate strategy from the CLI.
Update deployment examples and API docs

Make the examples and API docs compatible with the latest deployment API.