[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/tools/package/branding/src/main/resources/org/apache/karaf/branding/branding.properties b/tools/package/branding/src/main/resources/org/apache/karaf/branding/branding.properties
index 69a74ba..e04d327 100644
--- a/tools/package/branding/src/main/resources/org/apache/karaf/branding/branding.properties
+++ b/tools/package/branding/src/main/resources/org/apache/karaf/branding/branding.properties
@@ -27,5 +27,4 @@
 \r\n\
   Hit '\u001B[1m<tab>\u001B[0m' for a list of available commands\r\n\
      and '\u001B[1m[cmd] --help\u001B[0m' for help on a specific command.\r\n\
-  Hit '\u001B[1m<ctrl-d>\u001B[0m' or type '\u001B[1msystem:shutdown\u001B[0m' or '\u001B[1mlogout\u001B[0m' to shutdown ONOS.\r\n
-prompt = \u001B[32monos> \u001B[0m
+  Hit '\u001B[1m<ctrl-d>\u001B[0m' or type '\u001B[1mlogout\u001B[0m' to exit ONOS session.\r\n