1.19.0
#190 Remove urm plugin
Migrate to JUnit5
#143 Fixed duplicate line in .gitignore
Work on #190: urm/puml updates * added pumlid where it was missing and possible * removed pumlid where it generated a bad image * regenerated some incorrect puml's * added 'left to right direction' puml prefix to some diagrams to improve the automatic layouting
Reach milestone 1.19.0