Split controls out of superstructure.cc

Change-Id: Ia2303251cff44dcf7e319a8f94bf2d1142538cf9
diff --git a/y2016/control_loops/superstructure/BUILD b/y2016/control_loops/superstructure/BUILD
index b9628f6..c584135 100644
--- a/y2016/control_loops/superstructure/BUILD
+++ b/y2016/control_loops/superstructure/BUILD
@@ -66,9 +66,11 @@
   name = 'superstructure_lib',
   srcs = [
     'superstructure.cc',
+    'superstructure_controls.cc',
   ],
   hdrs = [
     'superstructure.h',
+    'superstructure_controls.h',
   ],
   deps = [
     ':superstructure_queue',