Implemented mocked engine API to be used as a base for unit tests
Implemented mocked engine API to be used as a base for unit tests

appfront/go-docker,bajh/dockerclient,crhym3/dockerclient,dnephin/dockerclient,abronan/dockerclient,denverdino/dockerclient,BlueDragonX/dockerclient,divideandconquer/dockerclient,flavio/dockerclient,curoverse/dockerclient,yp-engineering/dockerclient,mountkin/dockerclient,ehazlett/dockerclient,ibuildthecloud/dockerclient,donhcd/dockerclient,samalba/dockerclient,selvik/dockerclient,turtlebender/dockerclient,jimmyxian/dockerclient,yhat/go-docker