* Some examples:
** What do I need do mvn install, after I change a java file or non-java file?
** Tomcat starts, but wikipages are not loaded -> update Tomcat-Context... this happens when mvn installing while tomcat is running...
** What is an plugin, what is an extension, what is an extension point (http://d3webwiki.informatik.uni-wuerzburg.de/Wiki.jsp?page=Plugins%20and%20Extensions)
** What is the Scope of an extension