Added stuff to make shooter work.

Doesn't seem to start running when deployed to the robot.
diff --git a/bot3/control_loops/shooter/shooter.h b/bot3/control_loops/shooter/shooter.h
new file mode 100644
index 0000000..6ab1ea5
--- /dev/null
+++ b/bot3/control_loops/shooter/shooter.h
@@ -0,0 +1,57 @@
+#ifndef FRC971_CONTROL_LOOPS_SHOOTER_H_
+#define FRC971_CONTROL_LOOPS_SHOOTER_H_
+
+#include <memory>
+
+#include "aos/common/control_loop/ControlLoop.h"
+#include "frc971/control_loops/state_feedback_loop.h"
+#include "bot3/control_loops/shooter/shooter_motor.q.h"
+#include "bot3/control_loops/shooter/shooter_motor_plant.h"
+
+namespace bot3 {
+namespace control_loops {
+
+class ShooterMotor
+    : public aos::control_loops::ControlLoop<control_loops::ShooterLoop> {
+ public:
+  explicit ShooterMotor(
+      control_loops::ShooterLoop *my_shooter = &control_loops::shooter);
+
+  // Control loop time step.
+  static const double dt;
+
+  // Maximum speed of the shooter wheel which the encoder is rated for in
+  // rad/sec.
+  static const double kMaxSpeed;
+
+ protected:
+  virtual void RunIteration(
+      const control_loops::ShooterLoop::Goal *goal,
+      const control_loops::ShooterLoop::Position *position,
+      ::aos::control_loops::Output *output,
+      control_loops::ShooterLoop::Status *status);
+
+ private:
+  // The state feedback control loop to talk to.
+  ::std::unique_ptr<StateFeedbackLoop<2, 1, 1>> loop_;
+
+  // History array and stuff for determining average velocity and whether
+  // we are ready to shoot.
+  static const int kHistoryLength = 5;
+  double history_[kHistoryLength];
+  ptrdiff_t history_position_;
+  double average_velocity_;
+
+  double position_goal_;
+  double last_position_;
+
+  // For making sure it keeps spinning if we're shooting.
+  double last_velocity_goal_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShooterMotor);
+};
+
+}  // namespace control_loops
+}  // namespace bot3
+
+#endif // FRC971_CONTROL_LOOPS_SHOOTER_H_