Adding MAD stereotypes and colors, and corresponding tests

modeling/AVATAR/AirbusDoor_V2.xml

src/main/java/ui/avatarmad/AvatarMADAssumption.java

src/main/java/ui/window/JDialogAssumption.java

ttool/src/test/java/ui/AbstractUITest.java

ttool/src/test/java/ui/avatarmad/TestAvatarMAD.java

ttool/src/test/resources/ui/avatarmad/testMAD.xml