infra(xod-client, xod-client-browser, xod-client-electron): upgrade react to 15.4.2, get rid of react-hot-loader

Benefits of a fresher version of React don't need an explanation :)

And `react-hot-loader` was not doing anything for us — page was fully reloaded on every change anyway.

package.json

@@ -55,7 +55,6 @@
     "postcss": "^5.2.5",
     "postcss-loader": "^1.1.0",
     "raw-loader": "^0.5.1",
-    "react-hot-loader": "^1.3.0",
     "rimraf": "^2.5.4",
     "sass-loader": "^4.0.2",
     "style-loader": "^0.13.1",

packages/xod-client-browser/package.json

@@ -12,8 +12,8 @@
   "dependencies": {
     "babel-polyfill": "^6.16.0",
     "ramda": "^0.22.1",
-    "react": "^0.14.6",
-    "react-dom": "^0.14.6",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
     "react-fa": "^4.1.2",
     "react-event-listener": "^0.3.0",
     "react-hotkeys": "^0.9.0",

packages/xod-client-browser/webpack.config.dev.js

@@ -1,4 +1,3 @@
-
 const path = require('path');
 const validate = require('webpack-validator');
 const merge = require('webpack-merge');
@@ -19,19 +18,10 @@ const config = merge.smart(baseConfig, {
   resolve: {
     modulesDirectories: [
       // search top-level node_modules for webpack-hot-loader
-      pkgpath('../../node_modules'), 
+      pkgpath('../../node_modules'),
     ],
     extensions: ['', '.js', '.jsx', '.scss'],
   },
-  module: {
-    loaders: [
-      {
-        include: pkgpath('src'),
-        test: /\.jsx?$/,
-        loaders: ['react-hot'],
-      },
-    ]
-  }
 });
 
 module.exports = validate(config);

packages/xod-client-electron/package.json

@@ -17,8 +17,8 @@
     "classnames": "^2.2.5",
     "ramda": "^0.22.1",
     "rc-progress": "^2.0.6",
-    "react": "^0.14.6",
-    "react-dom": "^0.14.6",
+    "react": "^15.4.2",
+    "react-dom": "^15.4.2",
     "react-event-listener": "^0.3.0",
     "react-fa": "^4.1.2",
     "react-hotkeys": "^0.9.0",

packages/xod-client/package.json

@@ -29,9 +29,9 @@
     "rc-menu": "^5.0.9",
     "rc-progress": "^1.0.4",
     "rc-switch": "^1.4.2",
-    "react": "^15.3.2",
+    "react": "^15.4.2",
     "react-click-outside": "^2.2.0",
-    "react-dom": "^15.3.2",
+    "react-dom": "^15.4.2",
     "react-event-listener": "^0.2.1",
     "react-fa": "git+https://github.com/brusherru/react-fa.git",
     "react-hotkeys": "git+https://github.com/brusherru/react-hotkeys.git#npm",