i18n-da: bring translations up-to-date
This incorporates the word-wrap changes made to help strings, as well
as new translations for the updated clone, push and pull help strings.
adding a/b/c/d/x
adding a/b/c/d/y
adding a/b/c/d/z
moving a/b/c/d/x to z/b/c/d/x
moving a/b/c/d/y to z/b/c/d/y
moving a/b/c/d/z to z/b/c/d/z