Clean up of annotations, fixes #2

This will be published as new bugfix version 0.706.1
Striping leading whitespaces between `<html>` and `"`
Converted library to Modelica 3
Removing obsolete or superfluous annotation constructs.
Reflect the update to use MSL 3.2.1 also in the release notes.
Update Release notes to reflect v0.706.1 release

Also correct the license as this is still version 1.1