- bump api version to 1.21
- use `alpine/3.2` image for liveTests
- use `kwart/alpine-ext:3.2-ssh` image as ssh-able image
- assert request bodies created correctly in NetworkApiMockTest
- update value objects (Container, Config)
- add new value object (Resource, StatusCode)
- add more options for ContainerApi
- add support for pause/unpause, restart, kill, copy and attach APIs + Mock and Live tests
- add *ParseTest
- refactor MockTests
- removed *Options.NONE
- cleanup low-value javadoc
- more coverage in LiveTests
- removed useless DockerProperties
- add comments for TLS issue
- use Date where needed
- fix listImages
- add package-private constructor to value classes
- remove KillOptions, RestartOptions, StopOptions in favour of @QueryParam
- use PEM instead of PKCS12 format
- update docker/pom.xml to use sshj dependencies
- explicit usage of OkHttp driver
- simplify DockerApiMetadata
- add bouncycastle driver explicitly