Changed default borrow behaviour to simply get current cell definition if a reservation exists already.

Change-Id: I365233a78be6033d176e33c3c3b3ad33f791d85e
diff --git a/tools/dev/bash_profile b/tools/dev/bash_profile
index a7aca28..b43ac32 100644
--- a/tools/dev/bash_profile
+++ b/tools/dev/bash_profile
@@ -113,7 +113,7 @@
     case "$cell" in
     "borrow")
         aux="/tmp/cell-$$"
-        curl -sS -X POST "http://$CELL_WARDEN:4321/?user=$(id -un)&duration=${2:-60}" \
+        curl -sS -X POST "http://$CELL_WARDEN:4321/?user=$(id -un)&duration=${2:-0}" \
             -d "$(cat ~/.ssh/id_rsa.pub)" > $aux
         . $aux
         rm -f $aux