Allow rmi to remove image from its name
Use ip to setup the gateway in sysinit.go

ip from iproute2 replaces the legacy route tool which is often not
installed by default on recent Linux distributions.

The same patch has been done in network.go and is re-used here.
use crlf in login in order to avoir issue due to real raw mode
Use crlf in registry function to avoid issue with autlogin in push and autopull in run
display usage when no parameter
Merge pull request #392 from dotcloud/rm_usage-fix

Display usage when no parameter in docker rm
Contrib post-commit hook for checking gofmt
Merge remote-tracking branch 'origin/crlf_on_raw_mode'
Merge remote-tracking branch 'origin/148-remove_repositories-feature'
Simplify the output of 'docker images' by removing the PARENT column
Added docker-build (formerly github.com/shykes/changer) as a contrib script
Merge pull request #386 from lopter/master

Use ip to setup the gateway in sysinit.go