Copy back a lot of the 2014 code.
Change-Id: I552292d8bd7bce4409e02d254bef06a9cc009568
diff --git a/y2014/control_loops/update_drivetrain.sh b/y2014/control_loops/update_drivetrain.sh
new file mode 100755
index 0000000..bad1074
--- /dev/null
+++ b/y2014/control_loops/update_drivetrain.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+#
+# Updates the drivetrain controllers (for both robots).
+
+cd $(dirname $0)
+
+./python/drivetrain.py drivetrain/drivetrain_dog_motor_plant.h \
+ drivetrain/drivetrain_dog_motor_plant.cc \
+ drivetrain/drivetrain_clutch_motor_plant.h \
+ drivetrain/drivetrain_clutch_motor_plant.cc