app/src/main/java/org/sakaiproject/nakamura/app/NakamuraMain.java
static void error(String message, Throwable t) {
		log(System.err, "*ERROR*", message, t);
	}
static void error(String message, Throwable t) {
		log(System.err, "*ERROR*", message, t);
	}
static void error ( String message , Throwable t ) { log ( System . err , "*ERROR*" , message , t ) ; }
emit an error message to standard err
emit an error message to standard err