-updated batch files
- updated log4j-1 to log4j-2 2.12.1
- updated commons-codec to 1.13
- updated maven surefire plugin to 3.0.0-M3
- updated JUnit from 4 to 5
- updated JfreeChart to version 1.5.0
-retry commit of updated file headers and properties
- updated current year in all file headers.