Updated MessageBus

Merge pull request #14 from Timocco/DC-1910-play-restore-tile

DC-1910 - Adding Restore tile to boards

Merge pull request #13 from Timocco/DC-1906-keepalive-message

DC-1609 - Adding message bus, sending keepalive on clicks to board or output

Merge pull request cboard-org#1162 from tomivm/fix/download-Language

Await for fetch voices and Languages during download

Merge pull request cboard-org#1122 from RodriSanchez1/feature/exportF…

…ixedBoardPDF

Small fix PDF export

Merge pull request cboard-org#1089 from cboard-org/dependabot/npm_and…

…_yarn/urijs-1.19.7

Bump urijs from 1.19.2 to 1.19.7

Merge pull request cboard-org#1084 from unicef/add/license-note-dpg

🧑‍⚖️ ©️ legal: Clarify copyright for DPG certification

Merge pull request cboard-org#1082 from RodriSanchez1/feature/rotateC…

…ropImage

Download images commented

Merge pull request cboard-org#1059 from stefanjanev/fix/update_macedo…

…nian_translations

Macedonian translations update

Merge pull request cboard-org#1057 from tomivm/master

update translations