npm scripts - rewrite default scripts to new task names

package.json

@@ -4,12 +4,8 @@
   "public": false,
   "private": true,
   "scripts": {
-    "start": "npm run dev",
-    "dev": "gulp dev --debug",
-    "ui": "npm run test:flat:build:states && beefy development/ui-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
-    "mock": "beefy development/mock-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
-    "watch": "mocha watch --recursive \"test/unit/**/*.js\"",
-    "mascara": "gulp build && cross-env METAMASK_DEBUG=true node ./mascara/example/server",
+    "start": "gulp dev:extension",
+    "mascara": "gulp dev:mascara & cross-env METAMASK_DEBUG=true node ./mascara/example/server",
     "dist": "gulp dist",
     "test": "npm run test:unit && npm run test:integration && npm run lint",
     "test:unit": "cross-env METAMASK_ENV=test mocha --exit --require babel-core/register --require test/helper.js --recursive \"test/unit/**/*.js\"",
@@ -40,6 +36,9 @@
     "sentry:upload:maps": "sentry-cli releases --org 'metamask' --project 'metamask' files $RELEASE upload-sourcemaps ./dist/sourcemaps/ --url-prefix 'sourcemaps' --rewrite",
     "lint": "gulp lint",
     "lint:fix": "gulp lint:fix",
+    "ui": "npm run test:flat:build:states && beefy development/ui-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
+    "mock": "beefy development/mock-dev.js:bundle.js --live --open --index=./development/index.html --cwd ./",
+    "watch": "mocha watch --recursive \"test/unit/**/*.js\"",
     "disc": "gulp disc --debug",
     "announce": "node development/announcer.js",
     "version:bump": "node development/run-version-bump.js",