Start producing copyfrom information for local additions in the repos-wc diff
editor

* subversion/libsvn_wc/diff_editor.c
  (make_edit_baton): Suppress the copy_as_changed filter on git format.
  (file_diff): Produce proper adds for local additions, including all
    copyfrom information.

  (wrap_file_added): Forward copyfrom information.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1444547 13f79535-47bb-0310-9956-ffa450edef68