Update README.md

modules/docker/README.md

@@ -1,18 +1,14 @@
 Docker
 ======
 
-Enables boot2docker and docker support.
+Enables docker-machine and docker support.
 
 
-boot2docker
+docker-machine
 -----------
-Will automatically set the environment if boot2docker is running.
 
-- `b2d` boot2docker
+- `dm` docker-machine
-- `b2dstart` start docker vm, set environment
+- `dm-start` start the named machine and load the environment
-- `b2dssh` ssh to the boot2docker vm
-- `b2dstop` stop the boot2docker vm
-- `b2di` show boot2docker status
 
 docker
 ------