Closes #21
Delivers #42184337

Changes:

1. Main solution: When displaying validation message, check for the
presence of unique label id and toggle display of that particular
validation message, otherwise toggle the display by class name. Offers
backward compatibility. Added id to Velocity template.

2. Added "ReDBox" title on Windows consoles.
Updated reference for #21
Merge branch 'issue-21'
Merge branch 'master' of https://github.com/redbox-mint/redbox