Updated stable version (+source)

Introducing an easier login system and a preview of the new message
system.
Revert "Updated stable version (+source)"

This reverts commit 50d8f8afdfb36c80698aea2a49aef94918d645d5.
Revert "Revert "Updated stable version (+source)""

This reverts commit e076514377ccf42d7d9f6284c5f0a64d2516a7ae.