WebTop 5.28.6

[lucagasparini]

Upgrade WebTop to release 5.28.6

• Release notes 5.28.6

Required modifications:

• Build release 5.28.6

[gsanchietti]

Testing image: 1.4.2-testing.2

Test case 1

• Install on a clean machine
• Check new WebTop5 release has been loaded

Test case 2

• Upgrade an existing installation
• Check new WebTop5 release has been loaded

[lucagasparini]

Test case 1: OK
Test case 2: OK

[DavidePrincipi]

Released https://github.com/NethServer/ns8-webtop/releases/tag/1.4.2