Add an option to define a root password to allow SSH connection whithout a public/private key pair
Use double brackets and $(cmd) construct
Update openssl as Rear dependencies
Add a correct PS3 variable to fix the display message
Move the autorelabel file to BACKUP_URL instead of OUTPUT_URL.
It's more consistent and help to prepare the "backup in iso" feature
Implement the "backup to iso" feature.
To use that, BACKUP_URL has to use the iso://[subdirs] scheme but
a different OUTPUT_URL has to be defined.
Merge branch 'master' into backupIso
Merge pull request #278 from Arakmar/backupIso

Backup in ISO feature
Merge pull request #276 from Arakmar/auto

Add a correct PS3 variable to fix the display message of automatic recover
Merge pull request #272 from Arakmar/SSH-Password

Add an option to define a root password to allow SSH connection whithout a public/private key pair