- Don't mask the mode bits being sent to do_chmod().
- Don't skip calling set_modtime() or do_chmod() when the item
  is a symlink.

  outside of the CHMOD_BITS mask.
- Don't call do_chmod() unless HAVE_CHMOD is defined.
- Don't mask the mode bits being sent to do_chmod().

- Made do_chmod() handle symlinks or return 1 if not possible.
- We now mask off the mode bits in do_chmod() sing CHMOD_BITS.

- Made set_modtime() handle symlinks or return 1 if not possible.

- Fixed the names of the uid and gid daemon options in a sentence.

renaming it in the code.

between these files and the original zlib source).

compared with a remote modtime.

backslash prior to whitespace without treating it as escaped
whitespace (e.g. if we receive "foo\\ bar", it is two args,
while "foo\ bar" and "foo\\\ bar" are each just one).

- Simplified the output format by putting all the long-name
  options into a single hash.

- Made the user-config sections easier to find.
- Default to running a fully-specified rsync executable so that there
  are not PATH surprises.
- A few minor tweaks to the arg-checking code to make it clearer without
  actually changing its logic.