More checks on node upgrade

src/freedombone-utils-nodejs

@@ -164,7 +164,15 @@ function nodejs_upgrade {
         return
     fi
     if grep -q "node_8.x" /etc/apt/sources.list.d/nodesource.list; then
-        return
+        if [ -f /usr/local/bin/node ]; then
+            return
+        fi
+    fi
+    if [ -f /usr/local/bin/node ]; then
+        CURR_NODE_VERSION=$(node --version)
+        if [[ "$CURR_NODE_VERSION" == "v${NODEJS_VERSION}" ]]; then
+            return
+        fi
     fi
     rootdir=
     mesh_install_nodejs