Helper program to rename calibration files and add extrinsics

Could likely replace rename_calibration_file.sh script, since I think
it does all the same (though the script is a little simpler to use)

Change-Id: Ia97ac00f4ede4fee6ebfc8cf37e517f1ae627954
Signed-off-by: Jim Ostrowski <yimmy13@gmail.com>
diff --git a/frc971/vision/calibration.fbs b/frc971/vision/calibration.fbs
index 64a5d3c..99b6228 100644
--- a/frc971/vision/calibration.fbs
+++ b/frc971/vision/calibration.fbs
@@ -8,7 +8,7 @@
 
 // Calibration information for a given camera on a given robot.
 table CameraCalibration {
-  // The name of the camera node which this calibration data applies to.
+  // The name of the compute node which this calibration data applies to.
   node_name:string (id: 0);
   // The team number of the robot which this calibration data applies to.
   team_number:int (id: 1);