Merge develop into main

Various changes and additions.

Most notably the Start Script templating, but also many dependency updates and little fixes and refactorings.

build.gradle

@@ -78,7 +78,7 @@ dependencies {
   embed 'org.apache.logging.log4j:log4j-api:2.17.2'
   embed 'org.apache.logging.log4j:log4j-slf4j-impl:2.17.2'
   embed 'org.apache.logging.log4j:log4j-web:2.18.0'
-  embed 'org.apache.logging.log4j:log4j-jul:2.17.2'
+  embed 'org.apache.logging.log4j:log4j-jul:2.18.0'
   embed 'org.jgroups:jgroups:5.2.2.Final'
 
   // GUI