Make zeronet an optional part of the mesh install

src/freedombone-image-customise

 MESH_TITLE=$"Freedombone Mesh"
 MESH_SET_USERNAME=$"Welcome to the Freedombone mesh.\n\nThe first thing you will need to do is set a username so that other peers can find you."
 
+# Whether to enable zeronet on the mesh
+ENABLE_ZERONET=
+
 enable_eatmydata_override() {
     chroot $rootdir apt-get install --no-install-recommends -y eatmydata
     if [ -x $rootdir/usr/bin/eatmydata ] && \
     install_tomb
     install_tox
     install_web_server
-    install_zeronet
+    if [ $ENABLE_ZERONET ]; then
+        install_zeronet
+    fi
 
     MESH_SERVICE='mesh-setup.service'
     MESH_SETUP_DAEMON=$rootdir/etc/systemd/system/$MESH_SERVICE

src/freedombone-image-mesh

 ZERONET_INSTALL=$MESH_INSTALL_DIR/zeronet
 TOX_USERS_FILE=$ZERONET_INSTALL/${PROJECT_NAME}-tox-users.html
 
+# whether to enable zeronet
+ENABLE_ZERONET=
+
 function create_ram_disk {
     ramdisk_size_mb=$1
     if [ ! -d /mnt/ramdisk ]; then
 }
 
 function create_tox_user {
-    if [ ! -f /home/${MY_USERNAME}/.config/tox/data.tox ]; then
-        toxid -u $MY_USERNAME -n data
-        chown -R ${MY_USERNAME}:${MY_USERNAME} /home/${MY_USERNAME}/.config/tox
+    # remove any existing user
+    if [ -f /home/${MY_USERNAME}/.config/tox/data.tox ]; then
+        rm -f /home/${MY_USERNAME}/.config/tox/data*
+    fi
+    if [ -d /home/${MY_USERNAME}/.config/tox/avatars ]; then
+        rm -rf /home/${MY_USERNAME}/.config/tox/avatars
     fi
+    if [ ! -f /home/${MY_USERNAME}/.first_boot ]; then
+        touch /home/${MY_USERNAME}/.first_boot
+    fi
+
+    toxid -u $MY_USERNAME -n data
+    chown -R ${MY_USERNAME}:${MY_USERNAME} /home/${MY_USERNAME}/.config/tox
 
     if [ ! -d /home/$MY_USERNAME/Desktop ]; then
         return
     systemctl restart avahi-daemon
     systemctl restart ssh
     systemctl restart tox-bootstrapd
-    systemctl restart zeronet
+    if [ $ENABLE_ZERONET ]; then
+        systemctl restart zeronet
+    fi
     echo $'Daemons restarted' >> $INSTALL_LOG
 }
 
     setup_amnesic_data
     change_avahi_name
     regenerate_ssh_host_keys
-    configure_zeronet_blog
-    configure_zeronet_mail
-    configure_zeronet_forum
-    configure_zeronet_id
+    if [ $ENABLE_ZERONET ]; then
+        configure_zeronet_blog
+        configure_zeronet_mail
+        configure_zeronet_forum
+        configure_zeronet_id
+        configure_zeronet
+    fi
     configure_toxcore
     create_tox_user
-    configure_zeronet
     disable_password_logins
     mesh_amnesic
 
     if [ ! -f $MESH_INSTALL_COMPLETED ]; then
         echo $'Mesh node setup complete' >> $INSTALL_LOG
         touch $MESH_INSTALL_COMPLETED
-		if [ -d /home/$MY_USERNAME/Desktop ]; then
-			touch $FIRST_BOOT
-			chown ${MY_USERNAME}:${MY_USERNAME} $FIRST_BOOT
-		fi
+        if [ -d /home/$MY_USERNAME/Desktop ]; then
+            touch $FIRST_BOOT
+            chown ${MY_USERNAME}:${MY_USERNAME} $FIRST_BOOT
+        fi
         reboot
     fi
 fi

src/zeronetavahi

 NO_USERS_STR=$"No users found"
 
 # service names advertised by avahi
+ENABLE_ZERONET=
 ZERONET_BLOG_STR="ZeroNet Blog"
 ZERONET_MAIL_STR="ZeroNet Mail"
 ZERONET_FORUM_STR="ZeroNet Forum"
 fi
 
 avahi_extract_info
-zeronet_detect
-zeronet_detect_id
-zeronet_detect_blog
-zeronet_detect_mail
-zeronet_detect_fora
+if [ $ENABLE_ZERONET ]; then
+    zeronet_detect
+    zeronet_detect_id
+    zeronet_detect_blog
+    zeronet_detect_mail
+    zeronet_detect_fora
+    zeronet_update_config
+fi
+
 ipfs_bootstrap
 detect_tox_users
 avahi_remove_info
-zeronet_update_config
 
 # make some html headers and footers
-create_header $ID_FILE $ID_STR
-create_header $BLOGS_FILE $BLOGS_STR
-create_header $MAIL_FILE $MAIL_STR
-create_header $FORUM_FILE $FORA_STR
+if [ $ENABLE_ZERONET ]; then
+    create_header $ID_FILE $ID_STR
+    create_header $BLOGS_FILE $BLOGS_STR
+    create_header $MAIL_FILE $MAIL_STR
+    create_header $FORUM_FILE $FORA_STR
+    create_footer $ID_FILE
+    create_footer $BLOGS_FILE
+    create_footer $MAIL_FILE
+    create_footer $FORUM_FILE
+
+    # make the index page
+    create_index
+
+    assemble_web_page ${ID_FILE} $ZERONET_INSTALL
+    assemble_web_page ${BLOGS_FILE} $ZERONET_INSTALL
+    assemble_web_page ${MAIL_FILE} $ZERONET_INSTALL
+    assemble_web_page ${FORUM_FILE} $ZERONET_INSTALL
+    chown -R zeronet:zeronet $ZERONET_INSTALL
+fi
+
 create_header $TOX_USERS_FILE $"Tox Users"
-create_footer $ID_FILE
-create_footer $BLOGS_FILE
-create_footer $MAIL_FILE
-create_footer $FORUM_FILE
 create_footer $TOX_USERS_FILE
-
-# make the index page
-create_index
-
-assemble_web_page ${ID_FILE} $ZERONET_INSTALL
-assemble_web_page ${BLOGS_FILE} $ZERONET_INSTALL
-assemble_web_page ${MAIL_FILE} $ZERONET_INSTALL
-assemble_web_page ${FORUM_FILE} $ZERONET_INSTALL
 assemble_web_page ${TOX_USERS_FILE} $ZERONET_INSTALL
 
-chown -R zeronet:zeronet $ZERONET_INSTALL
-
 exit 0