Move "image_export" to graph/export.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "image_history" to graph/history.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "images" to graph/list.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "viz" to graph/viz.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "load" to graph/load.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "import" to graph/import.go

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "image_delete" to daemon/image_delete.go

Note: this cannot yet be moved to graph/ because of a lingering
dependency on daemon. This has been noted in a FIXME.

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move "image_tag" and "tag" to graph/tag.go

Note: these 2 jobs should be merged into one. This was noted in a FIXME.

Signed-off-by: Solomon Hykes <solomon@docker.com>
Move some integration tests to integration-cli

Signed-off-by: Tibor Vass <teabee89@gmail.com>