GONRG-1638 Remove obsolete logic from BackupService, extend api to work with collections

Closes GONRG-1638

See merge request go3-nrg/platform/deployment-and-operations/backup-service!15

Resolve GONRG-1583 "Feature/ unipipe"

Closes GONRG-1583

See merge request go3-nrg/platform/deployment-and-operations/backup-service!14

GONRG-1418 Changed roles for backup service,

Closes GONRG-1418

See merge request go3-nrg/platform/deployment-and-operations/backup-service!13

Fixed Sonar Comments

See merge request go3-nrg/platform/deployment-and-operations/backup-service!12

GONRG-1374 Backup service support B&R of collection of Data Assets

Closes GONRG-1374

See merge request go3-nrg/platform/deployment-and-operations/backup-service!11

Changes:
New endpoints for collections;
Move backup configuration to collection(backupPeriod,active,lifetime);
Changed startup to use collection instead single backup schedule;
Added new services and repos for collection;
Refactoring of entities mapping(used mapstruct lib);

Merge remote-tracking branch 'origin/feature/GONRG-998_-_BackupService_Change_tear-down_time_and_use_created-time_stamp' into integration-master

https://jiraeu.epam.com/browse/GONRG-998

* Changed tear-down time to created time
* Changed backup tear-down logic in accordance with new timestamp

Merge remote-tracking branch 'origin/feature/GONRG-1060-impl-sql-backup' into feature/GONRG-998_-_BackupService_Change_tear-down_time_and_use_created-time_stamp

https://jiraeu.epam.com/browse/GONRG-998

* Changed tear-down time to created time
* Changed backup tear-down logic in accordance with new timestamp

Fixed sonar comments.

See merge request go3-nrg/backup-service!8

GONRG-997 swagger

Closes GONRG-997

See merge request go3-nrg/backup-service!7

Added a swagger 3.0

GONRG-983 Sonar

See merge request go3-nrg/backup-service!5

Resolve GONRG-974 "Feature/ implement retry on fail"

Closes GONRG-974

See merge request go3-nrg/backup-service!6

# Conflicts:
#	docs/sequence.puml

Changes:
*Added retry implementation

GONRG-864 Documentation and int tests

Closes GONRG-864

See merge request go3-nrg/backup-service!4

Rustam Lotsmanenko (EPAM) authored Oct 08, 2020 and Riabokon Stanislav(EPAM)[GCP] committed Oct 08, 2020

Changes:
Int tests are there

Changes:
Docs

Changes:
Docs