* update to 4.9.0
* move vfs_xattr_tdb to defaults
* add vfs_audit, vfs_extd_audit, vfs_full_audit to AD-DC variant
* disable jansson, libarchive by default, enabled for AD-DC variant
* update waf answers

Noteable smb.conf changes:
* store dos attributes Default changed yes
* ea support Default changed yes

Fixes: Timemachine "The identity of the Backup disk ... has changed since the previous backup."

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>

* switch waf build to cross-answer files
* move timemachine related vfs modules to default vfs option

Signed-off-by: Andy Walsh <andy.walsh44+github@gmail.com>