adding onos-update-bundle command to push local bundles

+#!/bin/bash
+#-------------------------------------------------------------------------------
+# Update bundle on locally running karaf.
+#-------------------------------------------------------------------------------
+
+[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
+. $ONOS_ROOT/tools/build/envDefaults
+
+cd ~/.m2/repository
+jar=$(find org/onlab -type f -name '*.jar' | grep -e $1 | grep -v -e -tests | head -n 1)
+
+[ -z "$jar" ] && echo "No bundle $1 found for" && exit 1
+
+bundle=$(echo $(basename $jar .jar) | sed 's/-[0-9].*//g')
+
+client "bundle:update -f $bundle" 2>/dev/null