FELIX-1755: provide a script that would be loaded when starting a new shell

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@826748 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/karaf/assembly/src/main/distribution/text/etc/system.properties b/karaf/assembly/src/main/distribution/text/etc/system.properties
index 330c978..40aa8bc 100644
--- a/karaf/assembly/src/main/distribution/text/etc/system.properties
+++ b/karaf/assembly/src/main/distribution/text/etc/system.properties
@@ -20,4 +20,5 @@
 org.ops4j.pax.logging.DefaultServiceLog.level=ERROR
 karaf.name=root
 karaf.default.repository=system
+karaf.shell.init.script=${karaf.home}/etc/shell.init.script
 xml.catalog.files=