#54 started implementing backup service
#54 continued backup service
#54 shutdown hook
#54 finished backup service

- fixed some bugs
- implemented MockedResponseBundle to be able to use
BundledMessageResponses to load stuff without answering.
- Implemented BackupServiceTest and added some stuff for backupService
- added task and user test saves
#54 actually finished bacup service

- made backups triggerable by any event (task loading/importing)
#54, #55 fixed

fixed some stuff
Merged BackUpService into this branch