Add support for readiness checks.

traefik.sample.toml

@@ -672,6 +672,17 @@
 #
 # forceTaskHostname: false 
 
+# Applications may define readiness checks which are probed by Marathon during
+# deployments periodically and the results exposed via the API. Enabling the
+# following parameter causes Traefik to filter out tasks whose readiness checks
+# have not succeeded.
+# Note that the checks are only valid at deployment times. See the Marathon
+# guide for details.
+#
+# Optional
+# Default: false
+# respectReadinessChecks: false
+
 ################################################################
 # Mesos configuration backend
 ################################################################