Update Traefik to v1.0.0-beta.704.

library/traefik

@@ -1,6 +1,7 @@
 # maintainer: Emile Vauge <[email protected]> (@emilevauge)
 # maintainer: Vincent Demeester <[email protected]> (@vdemeester)
 
+v1.0.0-beta.704: git://github.com/containous/traefik-library-image@0b0c26da8cb7abc1190d95acbfc5c5e1f986f685
 v1.0.0-beta.404: git://github.com/containous/traefik-library-image@04d09c3cf006f360611fcb178d8537c318100d85
 v1.0.0-beta.392: git://github.com/containous/traefik-library-image@7f7b1e2c7d8ca00ae07e37e64a0e305f7422f6aa
-latest: git://github.com/containous/traefik-library-image@04d09c3cf006f360611fcb178d8537c318100d85
+latest: git://github.com/containous/traefik-library-image@0b0c26da8cb7abc1190d95acbfc5c5e1f986f685