On the invoke-diff-cmd-feature branch: Resend correct BRANCH-README
file which got erroneously replace in the previous commit.  Delete the
trunk which was added by mistake in commit r1538929.

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/invoke-diff-cmd-feature@1538972 13f79535-47bb-0310-9956-ffa450edef68