Copy back a lot of the 2014 code.
Change-Id: I552292d8bd7bce4409e02d254bef06a9cc009568
diff --git a/y2014/control_loops/drivetrain/drivetrain_main.cc b/y2014/control_loops/drivetrain/drivetrain_main.cc
new file mode 100644
index 0000000..9a2ebe1
--- /dev/null
+++ b/y2014/control_loops/drivetrain/drivetrain_main.cc
@@ -0,0 +1,11 @@
+#include "y2014/control_loops/drivetrain/drivetrain.h"
+
+#include "aos/linux_code/init.h"
+
+int main() {
+ ::aos::Init();
+ frc971::control_loops::DrivetrainLoop drivetrain;
+ drivetrain.Run();
+ ::aos::Cleanup();
+ return 0;
+}