Only install once

src/freedombone-mesh

@@ -48,9 +48,13 @@ SERVER_INSTALLATION="no"
 
 ZERONET_REPO='https://github.com/bashrc/ZeroNet'
 ZERONET_DIR=~/zeronet
-ZERONET_URL=http://127.0.0.1:43110
+ZERONET_DEFAULT=1Name2NXVi1RDPDgf5617UoW7xA6YrhM9F
+ZERONET_URL=http://127.0.0.1:43110/$ZERONET_DEFAULT
 
 function install_zeronet {
+  if [ -d $ZERONET_DIR ]; then
+      return
+  fi
   sudo apt-get -y install python python-msgpack python-gevent
   sudo apt-get -y install python-pip transmission-daemon
   sudo pip install msgpack-python --upgrade