Adding topology overlay support for the server-side topo layout app.

Also:
- parametrized access network layout in preparation for multiple variants
- removed WS authentication code temporarily until proper forced-logout is implemented
- updated STC warden environment (test only)

Change-Id: I0adbe60737828db79350e7eb2fc72cf313b78a28
diff --git a/tools/dev/bash_profile b/tools/dev/bash_profile
index 9820b32..ab95905 100644
--- a/tools/dev/bash_profile
+++ b/tools/dev/bash_profile
@@ -64,6 +64,9 @@
 alias op='onos-package'
 alias ot='onos-test'
 
+alias obr='while ! ob; do echo "retrying"; done'
+alias opr='while ! op; do echo "retrying"; done'
+
 alias deprecatedAlias='echo "This alias has been deprecated."'
 alias obi=deprecatedAlias
 alias obs=deprecatedAlias
@@ -195,9 +198,13 @@
     done
 }
 
-# ON.Lab shared test cell warden address
+# Open Networking Foundation shared test cell warden address
 export CELL_WARDEN="10.192.19.72"
-export CELL_SLAVES="$CELL_WARDEN 10.192.19.71 10.192.19.70"
+export CELL_SLAVE_1=$CELL_WARDEN
+export CELL_SLAVE_2="10.192.19.71"
+export CELL_SLAVE_3="10.192.19.70"
+export CELL_SLAVE_4="10.192.19.77"
+export CELL_SLAVES="$CELL_SLAVE_1 $CELL_SLAVE_2 $CELL_SLAVE_3 $CELL_SLAVE_4"
 
 # Clears cell environment
 function clearCell {