WebTop 5.27.4

[gsanchietti]

Upgrade WebTop to release 5.27.4

• Release notes 5.27.4

Required modifications:

• Build release 5.27.4

This also fixes a bug from upstream that was causing a failure during the build

[gsanchietti]

Testing image: 1.4.0-testing.5

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: VERIFIED
Test case 2: VERIFIED