Convert y2014 to use explicit ids

This makes it harder to accidentally break compatability

Change-Id: Id0e5cdb56a1e442b7d39fd7c9f9424a192462462
diff --git a/y2014/control_loops/claw/claw_output.fbs b/y2014/control_loops/claw/claw_output.fbs
index 8cb42e0..d0a6b58 100644
--- a/y2014/control_loops/claw/claw_output.fbs
+++ b/y2014/control_loops/claw/claw_output.fbs
@@ -2,10 +2,10 @@
 
 // All angles here are 0 vertical, positive "up" (aka backwards).
 table Output {
-  intake_voltage:double;
-  top_claw_voltage:double;
-  bottom_claw_voltage:double;
-  tusk_voltage:double;
+  intake_voltage:double (id: 0);
+  top_claw_voltage:double (id: 1);
+  bottom_claw_voltage:double (id: 2);
+  tusk_voltage:double (id: 3);
 }
 
 root_type Output;