SEC-2783: Add more PermGen to work around Tomcat Gradle Bug

https://github.com/bmuschko/gradle-tomcat-plugin/issues/113

gradlew

@@ -7,7 +7,7 @@
 ##############################################################################
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS="-Xmx1024M -XX:MaxPermSize=256M"
+DEFAULT_JVM_OPTS="-Xmx1024M -XX:MaxPermSize=512M"
 
 APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`