#968 Add one Log4J configuration per language
#968 Add one Log4J configuration per language

- Fetch language from the Jetty context file

literacyapp-org/literacyapp-web,literacyapp-org/literacyapp-web,elimu-ai/webapp,literacyapp-org/literacyapp-web,literacyapp-org/literacyapp-web,elimu-ai/webapp,elimu-ai/webapp,elimu-ai/webapp