"git merge-recursive" learned "--no-renames" option to disable its
rename detection logic.
* fa/merge-recursive-no-rename:
t3034: test deprecated interface
t3034: test option to disable renames
t3034: add rename threshold tests
merge-recursive: find-renames resets threshold
merge-strategies.txt: fix typo
merge-recursive: more consistent interface
merge-recursive: option to disable renames