Claw, shooter and drivetrain are now generated.

Change-Id: I0aaa42a77cfef8362dcd39ea660fdf9e484279ea
diff --git a/y2014/control_loops/python/drivetrain.py b/y2014/control_loops/python/drivetrain.py
index 1372c25..b94a501 100755
--- a/y2014/control_loops/python/drivetrain.py
+++ b/y2014/control_loops/python/drivetrain.py
@@ -295,6 +295,8 @@
         "Drivetrain", [drivetrain_low_low, drivetrain_low_high,
                        drivetrain_high_low, drivetrain_high_high],
         namespaces = namespaces)
+    dog_loop_writer.AddConstant(control_loop.Constant("kDt", "%f",
+          drivetrain_low_low.dt))
     if argv[1][-3:] == '.cc':
       dog_loop_writer.Write(argv[2], argv[1])
     else: