update readme
update readme

Signed-off-by: Evan Hazlett <7e61ed261aef9abaa71fd4c2127eb6cb9f01ce10@gmail.com>

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