Since AUR4, rsync access has been deprecated

Do not fail when rsync repositories; try to sync iso and update links, etc.

Also display error message when other rsync call return != 0

Manage sync of repo and iso from the same rsync server

Ship a reference PKGBUILD and related files to quickly setup an archive.

All archiving script are now functions into archive.sh.
Configuration is sourced from a archive.conf file.

iso http sync support was dropped.

this will be used by a future query tool

- prevent $BASE repetition
- use var instead of magic string

you can scan all archived repositories by using -a switch

Usefull in service output

Works need to be done to autodetect last version

Expand code generating package directory to add a all directory with all packages
inside it (without subdir)

The only one is $LAST, because it needs to be updated only when rsync was
successful

Arch Rollback Machine tools has they are