issue #1074: Rename KobukiViewer and use with electron

src/tools/TurtlebotViewer-web/kobukiviewerjs.in

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+cd @CMAKE_INSTALL_PREFIX@/share/jderobot/webtools/kobukiviewerjs/
+
+nodejs run.js

src/tools/TurtlebotViewer-web/main.js

@@ -0,0 +1,56 @@
+const electron = require('electron')
+const {app, BrowserWindow} = electron
+const path = require('path')
+const url = require('url')
+
+// Keep a global reference of the window object, if you don't, the window will
+// be closed automatically when the JavaScript object is garbage collected.
+let win
+
+function createWindow () {
+  // Create the browser window.
+  var screenElectron = electron.screen;
+  var mainScreen = screenElectron.getPrimaryDisplay();
+  var dimensions = mainScreen.size;
+  win = new BrowserWindow({width: dimensions.width, height: dimensions.height});
+
+  // and load the index.html of the app.
+  win.loadURL(url.format({
+    pathname: path.join(__dirname, '/public/index.html'),
+    protocol: 'file:',
+    slashes: true
+  }))
+
+  // Open the DevTools.
+//  win.webContents.openDevTools()
+
+  // Emitted when the window is closed.
+  win.on('closed', () => {
+    // Dereference the window object, usually you would store windows
+    // in an array if your app supports multi windows, this is the time
+    // when you should delete the corresponding element.
+    win = null
+  })
+}
+
+// This method will be called when Electron has finished
+// initialization and is ready to create browser windows.
+// Some APIs can only be used after this event occurs.
+app.on('ready', createWindow)
+
+// Quit when all windows are closed.
+app.on('window-all-closed', () => {
+  // On macOS it is common for applications and their menu bar
+  // to stay active until the user quits explicitly with Cmd + Q
+  if (process.platform !== 'darwin') {
+    app.quit()
+  }
+})
+
+app.on('activate', () => {
+  // On macOS it's common to re-create a window in the app when the
+  // dock icon is clicked and there are no other windows open.
+  if (win === null) {
+    createWindow()
+  }
+})