Revert "Revert "Patch for automatically ignoring reward artifact when rate matching""

This reverts commit 22e59e7cf66e459cbdaf222f99e7c23b7c1c4409.

Conflicts:

	spontnorm/compare_spontan3s1.m

I had thought that the fix was not working in my tests, but it
turns out it was working but I forgot to clear my cache!
Hence I revert the fix and am now reverting the revert again.