mod dockerclient.py
Merge pull request #27 from lazy-night/dev/api

mod dockerclient.py
Merge pull request #26 from lazy-night/dev/ui

Mock finished.
Update READEME.md
test
rm test
Update README.md
Mod dockerclient.py, Delete exercise
Mod run.py
Add Dockerfile for create test container
Function of Display containers
Added some logos.
Merge branch 'master' into dev/ui
Comment out needless parts.