* Query for labeled services as well
* Try scaling down services
* Scale services back up
* Use progress tool from Docker CLI
* In test, label both services
* Clean up error and log messages
* Document scale-up/down approach in docs
* Downgrade Docker CLI to match client
* Document services stats
* Do not rely on PreviousSpec for storing desired replica count
* Log warnings from Docker when updating services
* Check whether container and service labels collide
* Document script behavior on label collision
* Add additional check if all containers have been removed
* Scale services concurrently
* Move docker interaction code into own file
* Factor out code for service updating
* Time out after five minutes of not reaching desired container count
* Inline handling of in-swarm container level restart
* Timer is more suitable for timeout race
* Timeout when scaling down services should be configurable
* Choose better filename
* Reflect changes in naming
* Rename and deprecate BACKUP_STOP_CONTAINER_LABEL
* Improve logging
* Further simplify logging
* Simplify logging, fix WebDAV spelling
* Define options types per package
* Move util functions that are not used cross package
* Add per file license headers
* Rename config type
* Added abstract helper interface and implemented it for all storage backends
* Moved storage client initializations also to helper classes
* Fixed ssh init issue
* Moved script parameter to helper struct to simplify script init.
* Created sub modules. Enhanced abstract implementation.
* Fixed config issue
* Fixed declaration issues. Added config to interface.
* Added StorageProviders to unify all backends.
* Cleanup, optimizations, comments.
* Applied discussed changes. See description.
Moved modules to internal packages.
Replaced StoragePool with slice.
Moved conditional for init of storage backends back to script.
* Fix docker build issue
* Fixed accidentally removed local copy condition.
* Delete .gitignore
* Renaming/changes according to review
Renamed Init functions and interface.
Replaced config object with specific config values.
Init func returns interface instead of struct.
Removed custom import names where possible.
* Fixed auto-complete error.
* Combined copy instructions into one layer.
* Added logging func for storages.
* Introduced logging func for errors too.
* Missed an error message
* Moved config back to main. Optimized prune stats handling.
* Move stats back to main package
* Code doc stuff
* Apply changes from #136
* Replace name field with function.
* Changed receiver names from stg to b.
* Renamed LogFuncDef to Log
* Removed redundant package name.
* Renamed storagePool to storages.
* Simplified creation of new storage backend.
* Added initialization for storage stats map.
* Invert .dockerignore patterns.
* Fix package typo
* Retry on lock being unavailable
* Refactor locking to return plain error
* Collect LockedTime in stats
* Add test case
* Add documentation for LOCK_TIMEOUT
* Log in case lock needs to be awaited
* Release resources created for awaiting lock
* Split code into multiple files
* Deduplicate logic for pruning backups against different storages
* Only parse templates when notifications are enabled
* Use better description
