Minor updates for the tools scripts:
* Add ONOS-specific directories to the executable PATH in the envDefaults file
* Fix a typo inside "onos-show-cell": don't show OC0, because it is not used
diff --git a/tools/test/bin/onos-show-cell b/tools/test/bin/onos-show-cell
index 5aee338..d7e56c3 100755
--- a/tools/test/bin/onos-show-cell
+++ b/tools/test/bin/onos-show-cell
@@ -42,7 +42,7 @@
echo "ONOS_CELL=${ONOS_CELL}"
echo "ONOS_NIC=${ONOS_NIC}"
-for n in {0..9}; do
+for n in {1..9}; do
ocn="OC${n}"
if [ -n "${!ocn}" ]; then
echo "$ocn=${!ocn}"