go fmt
updated README regarding -t/--target deprecation
Merge pull request #89 from bjaglin/fixreadme

updated README regarding -t/--target deprecation & go fmt
Use `rm --force`  instead of kill and rm

Docker 1.2.0 has changed the semantics of docker rm --force to
be the same as a docker kill && docker rm.
pass config to the commands function for more flexibility
make Config an interface
make it explicit that we get targeted containers only
expose the dependency graph as a fresh struct
expose Dependencies fields
graph command
highlighting via target
bump to avoid confusion
Revert "Use `rm --force`  instead of kill and rm"

This reverts commit d52a3f62fe9ba0504e7022d4d4313bcd6073db9d.

Conflicts:
	crane/cmd.go