Note doneness of the locking client tests (on the locking branch, of course).
Note doneness of the locking client tests (on the locking branch, of
course).

* notes/locking/TODO.txt: Add note.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion