fix(Package): deps fixed to support node 4

Author: Gleb Galkin

.babelrc

@@ -1,4 +1,4 @@
 {
-  "presets": ["es2015"],
+  "presets": ["env"],
   "plugins": ["add-module-exports", "transform-es2015-modules-umd"]
 }

package.json

@@ -63,36 +63,38 @@
   "devDependencies": {
     "@ava/babel-preset-stage-4": "^1.0.0",
     "ava": "0.23.0",
-    "babel-core": "^6.24.1",
+    "babel-core": "^6.26.0",
     "babel-eslint": "^8.0.1",
     "babel-loader": "^7.1.2",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-transform-es2015-modules-umd": "^6.24.1",
     "babel-polyfill": "^6.26.0",
-    "babel-preset-es2015": "^6.24.1",
-    "babel-register": "^6.24.1",
+    "babel-preset-env": "^1.6.1",
+    "babel-register": "^6.26.0",
     "chalk": "^2.3.0",
     "codecov": "^3.0.0",
     "commitizen": "^2.9.6",
-    "cz-conventional-changelog": "^2.0.0",
+    "cz-conventional-changelog": "^1.2.0",
     "david": "11.0.0",
     "eslint": "^4.10.0",
-    "eslint-loader": "^1.7.1",
+    "eslint-loader": "^1.9.0",
     "fetch-mock": "^5.11.0",
-    "gh-pages": "^1.0.0",
     "husky": "^0.14.2",
     "jsdoc-to-markdown": "^3.0.0",
     "json-loader": "^0.5.4",
     "node-noop": "^1.0.0",
     "nsp": "^2.2.0",
     "nyc": "^11.3.0",
-    "semantic-release": "^8.2.0",
+    "semantic-release": "^7.0.2",
     "tap-diff": "0.1.1",
     "tap-notify": "1.0.0",
     "validate-commit-msg": "^2.12.2",
     "webpack": "^3.8.1",
     "webpack-merge": "^4.1.0"
   },
+  "engines": {
+    "node": ">=4"
+  },
   "config": {
     "commitizen": {
       "path": "node_modules/cz-conventional-changelog"