connected v0.9.2

Connected changes for v0.9.2 - this is yet another hotfix update:

• fixed backups feature - backups are now actually created if the amount of backups is set to 1 or more in the settings
• added "max_backups" to config file, to change the amount of backups per project
• added "path_nodes", "path_nodes_config", "path_nodes_execution" to config file (only usable with the pro edition)