⬆️ Update dependencies (#165)

* ⬆️ Set babel-core to devDependencies

* ⬆️ Upgrade dependencies

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "jsonvalidate": "jsonlint ./src/data/gitmojis.json -V ./src/data/schema.json",
     "contributors": "curl https://api.github.com/repos/carloscuesta/gitmoji/contributors -o ./src/data/contributors.json",
-	"deploy": "gulp deploy",
+    "deploy": "gulp deploy",
     "start": "npm run contributors && gulp",
     "test": "npm run jsonvalidate && gulp test"
   },
@@ -34,18 +34,18 @@
   "homepage": "https://github.com/carloscuesta/gitmoji#readme",
   "dependencies": {
     "async": "^2.1.2",
-    "babel-core": "^6.22.1",
-    "babel-preset-es2015": "^6.18.0",
     "gulp": "^3.9.1",
     "gulp-plumber": "^1.1.0",
-    "gulp-pug": "^3.1.0",
+    "gulp-pug": "^3.3.0",
     "gulp-pug-lint": "^0.1.6",
     "gulp-sass": "^3.1.0",
     "pdfkit": "^0.8.0",
     "request": "^2.79.0"
   },
   "devDependencies": {
-	"browser-sync": "^2.17.5",
+    "babel-core": "^6.26.0",
+    "babel-preset-es2015": "^6.24.1",
+    "browser-sync": "^2.18.13",
     "gulp-gh-pages": "^0.5.4",
     "jsonlint": "^1.6.2"
   }