Upgraded Log4j lib files.

.classpath

@@ -24,9 +24,9 @@
 	<classpathentry kind="lib" path="lib/jOpenDocument-1.3.jar" sourcepath="lib/jOpenDocument-src-1.3.zip"/>
 	<classpathentry kind="lib" path="lib/threeten-extra-1.5.0.jar" sourcepath="lib/threeten-extra-1.5.0-sources.jar"/>
 	<classpathentry kind="lib" path="lib/devinsy-strings-0.11.4.jar" sourcepath="lib/devinsy-strings-0.11.4-sources.zip"/>
-	<classpathentry kind="lib" path="lib/Logs/log4j-api-2.17.0.jar" sourcepath="lib/Logs/log4j-api-2.17.0-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/log4j-core-2.17.0.jar" sourcepath="lib/Logs/log4j-core-2.17.0-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/log4j-slf4j-impl-2.17.0.jar" sourcepath="lib/Logs/log4j-slf4j-impl-2.17.0-sources.jar"/>
 	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.32.jar" sourcepath="lib/Logs/slf4j-api-1.7.32-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/log4j-api-2.17.1.jar" sourcepath="lib/Logs/log4j-api-2.17.1-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/log4j-core-2.17.1.jar" sourcepath="lib/Logs/log4j-core-2.17.1-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/log4j-slf4j-impl-2.17.1.jar" sourcepath="lib/Logs/log4j-slf4j-impl-2.17.1-sources.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>

build-appjar.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <project default="main" name="Build-appjar">
-	<!--ANT 1.7 is required                                        -->
-	<property name="buildjar.version" value="1.8" />
+	<!--ANT 1.11 is required                                        -->
+	<property name="buildjar.version" value="1.11" />
 	<property file="build.properties" />
 	<property name="build.dir" value="${basedir}/build" />
 	<property name="build.src" value="${basedir}/src" />