Add DCOS support to Marathon impl.
diff --git a/containers-marathon/src/main/java/org/apache/aries/containers/marathon/impl/MarathonContainerFactory.java b/containers-marathon/src/main/java/org/apache/aries/containers/marathon/impl/MarathonContainerFactory.java
index c25f358..60321ba 100644
--- a/containers-marathon/src/main/java/org/apache/aries/containers/marathon/impl/MarathonContainerFactory.java
+++ b/containers-marathon/src/main/java/org/apache/aries/containers/marathon/impl/MarathonContainerFactory.java
@@ -27,6 +27,8 @@
 import org.apache.aries.containers.Service;
 import org.apache.aries.containers.ServiceConfig;
 
+import mesosphere.dcos.client.DCOSClient;
+import mesosphere.dcos.client.model.DCOSAuthCredentials;
 import mesosphere.marathon.client.Marathon;
 import mesosphere.marathon.client.MarathonClient;
 import mesosphere.marathon.client.model.v2.App;
@@ -44,6 +46,16 @@
         marathonClient = MarathonClient.getInstance(marathonURL);
     }
 
+    public MarathonContainerFactory(String marathonURL, String dcosUser, String passToken, boolean serviceAcct) {
+        DCOSAuthCredentials authCredentials;
+        if (serviceAcct) {
+            authCredentials = DCOSAuthCredentials.forServiceAccount(dcosUser, passToken);
+        } else {
+            authCredentials = DCOSAuthCredentials.forUserAccount(dcosUser, passToken);
+        }
+        marathonClient = DCOSClient.getInstance(marathonURL, authCredentials);
+    }
+
     @Override
     public Service getService(ServiceConfig config) throws Exception {
         // TODO get existing service