run control loops and write their output on new sensor values

This also includes sending solenoid values from their own thread at 50Hz
(formerly I613f95a6efb5efe428029e4825ba6caeb34ea326).

Change-Id: I3d3021cdbbf2ddf895e5ceebd4db299b4743e124
diff --git a/frc971/control_loops/claw/claw.h b/frc971/control_loops/claw/claw.h
index 12f7264..175657c 100644
--- a/frc971/control_loops/claw/claw.h
+++ b/frc971/control_loops/claw/claw.h
@@ -185,7 +185,7 @@
 };
 
 class ClawMotor : public aos::controls::ControlLoop<
-    control_loops::ClawGroup, true, true, false> {
+    control_loops::ClawGroup, false> {
  public:
   explicit ClawMotor(control_loops::ClawGroup *my_claw =
                          &control_loops::claw_queue_group);