Update dist and lock file

dist/tesseract.js

@@ -191,7 +191,7 @@ module.exports={
   "description": "Pure Javascript Multilingual OCR",
   "main": "src/index.js",
   "scripts": {
-    "start": "watchify src/index.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract & watchify src/browser/worker.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js & http-server -p 7355",
+    "start": "concurrently --kill-others \"watchify src/index.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract\" \"watchify src/browser/worker.js  -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js\" \"http-server -p 7355\"",
     "build": "browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",
     "release": "npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"
   },
@@ -204,6 +204,7 @@ module.exports={
     "babel-preset-es2015": "^6.16.0",
     "babelify": "^7.3.0",
     "browserify": "^13.1.0",
+    "concurrently": "^3.1.0",
     "envify": "^3.4.1",
     "http-server": "^0.9.0",
     "pako": "^1.0.3",