hello-world: add IP examples
slaprunner: After restauration script

This permits invoke custom code after copy the instance to the right location [Working in progress for better restauration]
slaprunner: Accept custom exclude file to optimize backup.
slaprunner: concatenate exporter.exclude file of each partition of the runner and write it in the standard location.

Allow to exclude things from inside of the runner's partitions without knowing what instance it is.
slaprunner: importer script: use variables.

Allow to lint/edit/develop more easily the bash script without having tons of template parameters.
slapruner: Add support for script to run after resiliency import (one script per partition)
webrunner: add custom monitor script to monitor all promises of subinstances.
wip: slaprunner: change importer script to process instances before running after-import subscripts.
slaprunner: add home directory reference.

Allows HOME to be easily referenced in some cases where buildout:directory is not available.
wip: Webrunner: Import script of webrunner should stop all instances, run slapos, run consistency checks, run scripts, start instances
wip: Webunner: Make webrunner import script report in a file if import / afterimport was ok + make promise checking this
ERP5 SR: Use mariadb backup from erp5-cluster.

Side effect: activate binlogs.
current backup system does not work.
erp5: add resiliency exclude files.
erp5: add webrunner resiliency after-import (restore) scripts.
hardcode.
erp5: add tidstorage backup promise
erp5: add mariadb webrunner resiliency after-import (restore) script.
wip-maria import/promise
wip mariadb import/promise
wip import/promise