added additional height to suggestion list in MainFrameController.java if a scrollbar is visible,
updated log4j to 2.x,
added exception as 2nd parameter in logs
added atomic boolean flag implementation in logManager.java,
added error code in CommandLineScript.java,
renamed LogFrame to LogFrameView,
added LogFrameController,
added LogFileCheckerThread,
added scheduled thread logs update checker initialization in LogFrameController