ONOS-1323 Upgrading environment to use Apache Karaf 3.0.3

Requires restart of any dev shell sessions that may have KARAF_VERSION=3.0.2 already set.

Developers that have their own local Karaf will have to run 'onos-setup-karaf <ip-address>' command

Change-Id: Iba234b3cd5af89de6dd249c97cac97525364cc34
diff --git a/tools/dev/onos.cshrc b/tools/dev/onos.cshrc
index 5dc3298..e5d8e62 100644
--- a/tools/dev/onos.cshrc
+++ b/tools/dev/onos.cshrc
@@ -27,7 +27,7 @@
     setenv MAVEN $HOME/Applications/apache-maven-3.3.1
 endif
 if ( ! $?KARAF_VERSION ) then
-    setenv KARAF_VERSION 3.0.2
+    setenv KARAF_VERSION 3.0.3
 endif
 if ( ! $?KARAF_ROOT ) then
     setenv KARAF_ROOT $HOME/Applications/apache-karaf-$KARAF_VERSION