Added turret and intake code and tests.

Tests are from Adam.

Change-Id: I5a89700cfe2e9983771b4523facc302243b5dc50
diff --git a/y2017/control_loops/superstructure/hood/BUILD b/y2017/control_loops/superstructure/hood/BUILD
index 8617587..9760eac 100644
--- a/y2017/control_loops/superstructure/hood/BUILD
+++ b/y2017/control_loops/superstructure/hood/BUILD
@@ -30,6 +30,7 @@
 
 cc_library(
   name = 'hood',
+  visibility = ['//visibility:public'],
   srcs = [
     'hood.cc',
   ],