Nest some more namespaces

Did someone previously suggest that all namespace had been
nested?  Silly.

Signed-off-by: Stephan Pleines <pleines.stephan@gmail.com>
Change-Id: I22278c1caaeba8b47dc46fb2ed3078c20a11e190
diff --git a/y2014/actors/autonomous_actor.h b/y2014/actors/autonomous_actor.h
index f1b06bf..3ec82fa 100644
--- a/y2014/actors/autonomous_actor.h
+++ b/y2014/actors/autonomous_actor.h
@@ -13,8 +13,7 @@
 #include "y2014/queues/auto_mode_generated.h"
 #include "y2014/queues/hot_goal_generated.h"
 
-namespace y2014 {
-namespace actors {
+namespace y2014::actors {
 
 class AutonomousActor : public ::frc971::autonomous::BaseAutonomousActor {
  public:
@@ -48,7 +47,6 @@
   actors::ShootActor::Factory shoot_action_factory_;
 };
 
-}  // namespace actors
-}  // namespace y2014
+}  // namespace y2014::actors
 
 #endif  // Y2014_ACTORS_AUTONOMOUS_ACTOR_H_