Update libraries JAS (2.7.90) and Log4j (2.16.0).

.classpath

@@ -10,7 +10,8 @@
 	<classpathentry kind="lib" path="prism/lib/pepa.zip"/>
 	<classpathentry kind="lib" path="prism/lib/lpsolve55j.jar"/>
 	<classpathentry kind="lib" path="prism/lib/jas.jar"/>
-	<classpathentry kind="lib" path="prism/lib/log4j.jar"/>
+	<classpathentry kind="lib" path="prism/lib/log4j-api.jar"/>
+	<classpathentry kind="lib" path="prism/lib/log4j-core.jar"/>
 	<classpathentry kind="lib" path="prism/lib/nailgun-server.jar"/>
 	<classpathentry kind="output" path="prism/classes"/>
 </classpath>

prism/.classpath

@@ -10,7 +10,8 @@
 	<classpathentry kind="lib" path="lib/pepa.zip"/>
 	<classpathentry kind="lib" path="lib/lpsolve55j.jar"/>
 	<classpathentry kind="lib" path="lib/jas.jar"/>
-	<classpathentry kind="lib" path="lib/log4j.jar"/>
+	<classpathentry kind="lib" path="lib/log4j-core.jar"/>
+	<classpathentry kind="lib" path="lib/log4j-api.jar"/>
 	<classpathentry kind="lib" path="lib/nailgun-server.jar"/>
 	<classpathentry kind="output" path="classes"/>
 </classpath>

prism/lib/README.md

@@ -2,8 +2,8 @@ To simplify maintenance of scripts and config files, we mostly omit version numb
 
 * colt.jar - Colt version 1.2.0
 * epsgraphics.jar - EPS Graphics version 1.0.0
-* jas.jar - Java Algebra System (JAS) version 2.5.5246
-* log4j.jar - Apache log4j (dependency of JAS)
+* jas.jar - Java Algebra System (JAS) version 2.7.90
+* log4j-core.jar, log4j-api.jar - Apache Log4j version 2.16.0 (dependency of JAS)
 * jcommon.jar - JCommon, version 1.0.16
 * jfreechart.jar - JFreeChart, version 1.0.13
 * jhoafparser.jar - jhoafparser, version 1.1.1