Update find_changed_paths.go add --root flag
This MR replaces !5892 (closed). It includes the original commit and adds a test for it in the second commit.
According to the git-diff-tree(1) man-page:
--root
When --root is specified the initial commit will be shown as a big
creation event. This is equivalent to a diff against the NULL tree.
Closes #5340 (closed)
Edited by Toon Claes