Setup log directory for SUBST

Index: server/config/log4j2.properties
--- server/config/log4j2.properties.orig
+++ server/config/log4j2.properties
@@ -1,7 +1,7 @@
 
 name = Rundeck Logging Configuration
 
-property.baseDir = ${sys:rundeck.server.logDir:-./server/logs}
+property.baseDir = ${TRUEPREFIX}/rundeck/server/logs
 property.classLength = 2
 property.noConsoleNoAnsi = true
 property.prefix = [%style{%d{ISO8601}}{dim, noConsoleNoAnsi=${noConsoleNoAnsi}}] %highlight{%-5p}{noConsoleNoAnsi=${noConsoleNoAnsi}} %style{%c{${classLength}}}{cyan,noConsoleNoAnsi=${noConsoleNoAnsi}}
