Change Log4j1 dependency to Lo4j2

• Create a Facade for the logging in vadere to move 3rd party dependencies of source files to a small set of facade classes
• Introduce assertion logging by redirecting StdOut(Level: Info) and StdErr(Level: Err) to a dedicated logger
• Logger API is the same as before only the import has changed together with Logger.getLogger(...) insted of LogManager.getLoger(...)
• add String.format errorf(...) log function like errorf("Erron in %s with value of x: %d","ClassA", 42)