Update Golang modules.

Merge pull request #258 from 030/updates

Update go modules.

Upload to AWS S3.

Merge pull request #255 from 030/172-s3

[#172] Upload backup archive to AWS S3.

API 3.38.1.

Merge pull request #253 from 030/249-api-3381

[#249] Change API to 3.38.1,

Fix cannot upload Maven artifacts containing underscores and uppercases.

6.6.1

[#242] Resolve typo in README.

Docker support.

Merge pull request #247 from 030/238-docker-support

[GH-238] Backup and upload all docker images.

Show version in docker as well.

6.5.1

[GH-241] Version lookup failed in buildarg docker.

Backup and upload yum artifacts.

Merge pull request #240 from 030/238-upload-yum

[GH-238] Upload yum artifacts.

RepositoriesV2 combined with Nexus3 behind rproxy.

Merge pull request #239 from 030/238-upload-additional-formats

[GH-238] Allow actions in conjunction with rproxy.

Fail if parameter is empty and not populated in config file.

6.4.2

[GH-236] Fail if parameter is empty and not populated in config file.

Use Go embed for logo and change path for logo file.

6.4.1

Release version 6.4.1.