Update Traefik to v1.0.0-beta.704

[jimmycuadra]

https://github.com/containous/traefik-library-image/releases/tag/v1.0.0-beta.704

[yosifkit]

Changeset: containous/traefik-library-image@04d09c3...0b0c26d

LGTM,Build test of #1745; 46b216a (traefik):

$ bashbrew build "traefik"
Cloning traefik (git://github.com/containous/traefik-library-image) ...
Processing traefik:v1.0.0-beta.704 ...
Processing traefik:v1.0.0-beta.404 ...
Processing traefik:v1.0.0-beta.392 ...
Processing traefik:latest ...
$ bashbrew list --uniq "$url" | xargs test/run.sh
testing traefik:v1.0.0-beta.704
    'cve-2014--shellshock' [1/1]...passed
testing traefik:v1.0.0-beta.404
    'cve-2014--shellshock' [1/1]...passed
testing traefik:v1.0.0-beta.392
    'cve-2014--shellshock' [1/1]...passed

[emilevauge]

@jimmycuadra, @yosifkit, it would have been great to ping the maintainers before merging this one ;) :

# maintainer: Emile Vauge <emile@vauge.com> (@emilevauge)
# maintainer: Vincent Demeester <vincent@sbr.pm> (@vdemeester)

I was not aware that a new version had been pushed.

[jimmycuadra]

My bad, I was trying to save you the trouble, since I wanted a version with Kubernetes support and it was trivial to do this PR myself.

[emilevauge]

np, I understand :)
But it can happen that a particular build is known to contain issues. Then I prefer being aware in case a "bad" build is being merged ;)

[yosifkit]

@emilevauge, my bad, I usually check that the PR is from a maintainer. 😞