Removed docker.APIImages dependency from image.go and testing package
Merge pull request #58 from wiliamsouza/master

Removed docker.APIImages dependency from image.go and testing package
authors: added wilian souza
fix build using go tip.
travis: using ppa to install libdevicemapper
add repoTags
Merge pull request #59 from jeandalido/master

Adding RepoTags to Image Struct
authors: added Jean-Baptiste Dalido.
Merge branch 'master' of github.com:fsouza/go-dockerclient into issue57

Conflicts:
	image.go