ssh keys are mandatory
Extend backup script.

Add more variables.
Add cron fro auto backup.
Merge pull request #41 from yanns/ssh-key-mandatory

ssh keys are mandatory
Merge pull request #42 from rwaffen/extend_backup_script

Extend backup script.
Fix cronjob for db backup.

Extend test for cronjob.
Fix ruby-1.8.7 syntax error in spec test for TravisCI
Merge pull request #43 from rwaffen/fix_cron

Fix cronjob for db backup.
Fix backup script to make actually backups.

Move creation of backup dir to puppet.
Extend tests.
Fix style.
Merge pull request #44 from rwaffen/fix/backup_script

Fix backup script to make actually backups.