Update Version to 5.0 and restrcit to mdVersionMin 2021x of MagicDraw
reintegration of branch 2021-09-07_development_MD2021x
Update Compatibilities
Add new classpath file
Update FAS to MagicDraw 2021x
Entered the 4.0 release date in the compatibility overview
Documented verification of plugin version 4.0
Counted versions up for further development
Tagged the 4.0 source files