fix: Fix dependencies, upgrade to Babel 6, fix ESLint errors and reformat code (#13)

* chore: Add lint-staged and husky

* chore: Upgrade eslint, add prettier and use eslint-config-okonet

* chore: Switch to latest eslint-config-okonet

* style: Reformat code with prettier

* style: Change indentation to 2 spaces in editorconfig

* style: Remove unnecessary block

* fix: Move core-js to dependencies

* chore: Clean up scripts section

* chore: Upgrate to latest eslint-config-okonet

* chore: Upgrade to Babel 6

Author: okonet

.babelrc

@@ -1,4 +1,10 @@
 {
-  "stage": 0,
-  "loose": "all"
+  "presets": [
+    [
+      "env",
+      {
+        "loose": true
+      }
+    ]
+  ]
 }

.editorconfig

@@ -3,7 +3,7 @@ root = true
 
 [*]
 indent_style = space
-indent_size = 4
+indent_size = 2
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true

.eslintrc

@@ -1,12 +1,7 @@
 {
-  "extends": "airbnb",
+  "extends": "okonet",
   "env": {
     "browser": true,
-    "mocha": true,
-    "node": true
-  },
-  "rules": {
-    "indent": [2, 4],
-    "comma-dangle": [2, "never"]
+    "mocha": true
   }
 }

.travis.yml

@@ -9,10 +9,6 @@ node_js:
   - 'stable'
   - '6'
   - '4'
-  - iojs-v3
-  - iojs-v2
-  - iojs-v1
-  - '0.12'
 before_install:
   - npm i -g npm@^2.0.0
 before_script: