String Freeze for Krita 4.1.0

[Boudewijn Rempt]

Krita's master branch is now in string and feature freeze for the Krita 4.1.0 
release. This is the current release schedule:

4.1 Freeze: 6th
4.1 Alpha, 13th
4.1 Beta: 20th
4.1 Final: 27th.

Additionally, next Wednesday, 13th, we will release Krita 4.0.4, the last 
release in the 4.0 stable branch. Then we will switch the stable branch over 
to Krita/4.1.

Boudewijn Rempt