[ignore] Adding comments about local.build.properties in EXIST_HOME/b…

…uild.properties.

svn path=/trunk/eXist/; revision=17202

build.properties

@@ -1,3 +1,7 @@
+#
+# Don't directly modify this file. Instead, copy it to local.build.properties and
+# edit that.
+#
 # $Id$
 project.name = eXist-db
 project.version = 2.1-dev
@@ -60,7 +64,18 @@ antlr.traceTreeWalker = false
 catalina.home = ./thirdparty/tomcat5
 
 # IZPack is required to create the installer package
+# If you change this property value for a reason, 
+# please use a version indicator in directory name,
+# eg /izpack-dir-path/izpack-4.3.5, since we are not
+# compatible with comming izpack-5.x.x yet.
+# If you only want to point to your own izpack installation directory
+# add this in local.build.properties instead so you don't commit it by mistake.
 izpack.dir = /Applications/IzPack/
 
 # Launch4J is required to create the windows installer
+# If you change this property value for a reason, 
+# please use a version indicator in directory name,
+# eg /launch4j-dir-path/launch4j-x.x.x.
+# If you only want to point to your own launch4j installation directory
+# add this in local.build.properties instead so you don't commit it by mistake.
 launch4j.dir = /Applications/launch4j/