use babel preset instead of separate plugins

.babelrc

+{
+  "presets": ["es2015-without-strict"]
+}
\ No newline at end of file

package.json

@@ -9,7 +9,7 @@
     "browser-test-remote-ie": "nightwatch --config nightwatch.js --env ie",
     "browser-test-remote-safari": "nightwatch --config nightwatch.js --env safari",
     "browser-test-remote-parallel": "nightwatch --config nightwatch.js --env safari,ie,default,chrome",
-    "build": "mkdir -p build; browserify src/index.js -g yo-yoify -o build/app.js; babel --plugins babel-plugin-transform-es2015-template-literals,babel-plugin-transform-es2015-block-scoping,babel-plugin-transform-es2015-parameters build/app.js --out-file build/app.js",
+    "build": "mkdir -p build; browserify src/index.js -g yo-yoify -o build/app.js; babel build/app.js --out-file build/app.js",
     "csslint": "csslint --ignore=order-alphabetical --errors='errors,duplicate-properties,empty-rules' --exclude-list='assets/css/font-awesome.min.css' assets/css/",
     "downloadsolc": "rm soljson.js; wget https://ethereum.github.io/solc-bin/soljson.js",
     "lint": "standard",
@@ -19,9 +19,7 @@
   "devDependencies": {
     "async": "^2.1.2",
     "babel-cli": "^6.16.0",
-    "babel-plugin-transform-es2015-block-scoping": "^6.15.0",
-    "babel-plugin-transform-es2015-parameters": "^6.18.0",
-    "babel-plugin-transform-es2015-template-literals": "^6.8.0",
+    "babel-preset-es2015-without-strict": "0.0.4",
     "brace": "^0.8.0",
     "browserify": "^13.0.0",
     "csslint": "^1.0.2",