plexus-containers useful branch is plexus-containers-1.x

Change-Id: I6dd15ef3b18be0fda1ee2da0168aea4688a4dcdc
diff --git a/default.xml b/default.xml
index 65484c6..087c3d0 100644
--- a/default.xml
+++ b/default.xml
@@ -145,7 +145,7 @@
   <project path='plexus/components/swizzle'                 name='plexus-swizzle.git'            remote='plexus' />
   <project path='plexus/components/velocity'                name='plexus-velocity.git'           remote='plexus' />
   <project path='plexus/plexus-components'                  name='plexus-components.git'         remote='plexus' />
-  <project path='plexus/plexus-containers'                  name='plexus-containers.git'         remote='plexus' />
+  <project path='plexus/plexus-containers'                  name='plexus-containers.git'         remote='plexus' revision='plexus-containers-1.x' />
   <project path='plexus/plexus-pom'                         name='plexus-pom.git'                remote='plexus' />
   <project path='plexus/utils'                              name='plexus-utils.git'              remote='plexus' />
 </manifest>