Merge branch 'rest' into 'master'

...st/java/org/jastadd/ragconnect/tests/Read1Write2Test.java

...st/java/org/jastadd/ragconnect/tests/Read2Write1Test.java

...src/test/java/org/jastadd/ragconnect/tests/TestUtils.java

...s/src/test/java/org/jastadd/ragconnect/tests/ViaTest.java

ragconnect.tests/src/test/resources/log4j2.xml

...rc/main/java/de/tudresden/inf/st/ros2rag/common/Util.java

ros2rag.goal/build.gradle

.../main/java/de/tudresden/inf/st/ros2rag/goal/GoalMain.java

ros2rag.safety/build.gradle

...java/de/tudresden/inf/st/ros2rag/starter/StarterMain.java