LocalDocker and RemoteDocket

[amihaiemil]

There will be 2 implementations of Docker:

1. LocalDocker, working through a UnixSocket request, connected to the local docker daemon
2. RemoteDocker, working thorugh an tcp request, connected to a remove docker daemon.

[0pdd]

@amihaiemil 2 puzzles #67, #68 are still not solved; solved: #23, #24.

[0pdd]

@amihaiemil 2 puzzles #100, #68 are still not solved; solved: #23, #24, #67.