Merge branch 'dev' into 'master'

CityDoctor Version 3.17.3

See merge request !34

CityDoctorParent/pom.xml

@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>de.hft.stuttgart</groupId>
     <artifactId>CityDoctorParent</artifactId>
-    <version>3.17.2</version>
+    <version>3.17.3</version>
     <packaging>pom</packaging>
     <name>CityDoctorParent</name>
     <properties>