When binary files were moved or copied, they weren't being handled

properly by the new binary file patcher. This wasn't immediately

apparent to me because git apply and GNU diff can do their own magic,

but when using Apple diff, especially in a non-git repo, this would fail

to handle the files properly. This change adds the missing handling for

those along with tests.

Ran unit tests.
Set up a test case with moved and copied binary files and verified

  that patching worked correctly.