Remove the revision selector keywords "FIRST" (a synonym for "0") and "CHANGED" (a synonym for "COMMITTED") because they are little known and of little use and we might want to give distinct meanings to them in the future.
Remove the revision selector keywords "FIRST" (a synonym for "0") and
"CHANGED" (a synonym for "COMMITTED") because they are little known and of
little use and we might want to give distinct meanings to them in the future.

* subversion/libsvn_subr/opt.c
  (revision_from_word) Remove keywords "FIRST" and "CHANGED".

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