doxygen
Move write() methods to the rest of the relevant class's implementation
Volume unfriends Conf

This is slightly less efficient but it's right next to some IO so
users aren't likely to experience any real performance penalty.
Update copyright notices
Correct a comment.
--force shouldn't imply --verbose.
Add some missing member field initializations.

These are probably harmless.
Add missing member initializations.

These could actually have broken something, though that doesn't seem to
have happened in practice.
Correct iterator comparison.
Add missing va_end()
Update CHANGES.
gitignore
Mention rsbackup-snapshot-hook in main man page
Move ConfBase implementation into its own file.
Read config files in predictable order.

Fixes issues #8.
Next release will be 1.0 ...