default to short command help and add help command for log info and error msg for not existing commands
default to short command help and add help command for log info and error msg for not existing commands

boot2docker/boot2docker-cli,moxiegirl/boot2docker-cli,vmware/boot2docker-cli,nathanleclaire/boot2docker-cli,nathanleclaire/boot2docker-cli,moxiegirl/boot2docker-cli,boot2docker/boot2docker-cli,mattrobenolt/boot2docker-cli,tianon/boot2docker-cli,beni55/boot2docker-cli,tianon/boot2docker-cli,SvenDowideit/boot2docker-cli,beni55/boot2docker-cli,vmware/boot2docker-cli,SvenDowideit/boot2docker-cli,mattrobenolt/boot2docker-cli