updated revision history for 2.2.2

Author: Mathadon

README.md

@@ -1,10 +1,11 @@
-IDEAS v2.2.1
+IDEAS v2.2.2
 ============
 [![Build Status](https://app.travis-ci.com/open-ideas/IDEAS.svg?branch=master)](https://app.travis-ci.com/open-ideas/IDEAS)
 
 Modelica model environment for Integrated District Energy Assessment Simulations (IDEAS), allowing simultaneous transient simulation of thermal and electrical systems at both building and feeder level.
 
 ## Release history
++ April 2nd, 2022: IDEAS v2.2.2 has been released. This is the final release before updating MSL 4.0.0 and it includes only small updates over v2.2.2.
 + September 20th, 2021: IDEAS v2.2.1 has been released.
 + June 9th, 2021: IDEAS v2.2 has been released.
 + February 28th, 2019: IDEAS v2.1 has been released.

ReleaseNotes.md

@@ -1,3 +1,6 @@
+## IDEAS v2.2.2
+IDEAS 2.2.2 has been released on April 2nd, 2022. It is the final release that supports the Modelica Standard v3.3 and MSL v3 before updating to MSL 4.0.0. Only few changes were performed. Most importantly, some compatibility fixes for OpenModelica were added.
+
 ## IDEAS v2.2.1
 IDEAS 2.2.1 has been released on September 20th, 2021. This update includes an IBPSA merge up to commit f15e041c818bfc38b5b32aa8ad8e3e119ffc92de, which fixes crashes when using the weather data reader together with the weather file Brussels.mos for the most recent versions of Dymola.