Renamed storage type to driver.
Merge remote-tracking branch 'origin/refactoring' into refactoring

Conflicts:
	src/Dimsav/Backup/Storage/LocalFileStorage.php
Removed $name paremeter from StorageFactory::make()
Added StorageManager
Removed Container as dependency from StorageFactory
StorageManager throws exception if name was not found
StorageManager expects $config['storages'] to be set
StorageManager throws exception if $config['storages'] is not (set or an array)
Moved namespace definition to first line