Use babel polyfill (#15)

* using webpack to bundle and minify, using babel polyfill rather than including them manually

* trying to get coveralls to work with nyc rather than istanbul

* changing coveralls script

* trying different coveralls script

* ignoring lib and test directories in code climate

* removing old files and ignoring webpack config in codeclimate yaml

* adding start script

.babelrc

@@ -0,0 +1,4 @@
+{
+  "presets": ["es2015"],
+  "plugins": ["babel-plugin-add-module-exports"]
+}

.codeclimate.yml

@@ -10,7 +10,7 @@ engines:
       wrap-iife:
         enabled: false
       no-loop-func:
-        enabled: false       
+        enabled: false
       guard-for-in:
         enabled: false
   fixme:
@@ -19,4 +19,4 @@ ratings:
   paths:
   - "**.js"
   - "**.jsx"
-exclude_paths: ["test.js"]
+exclude_paths: ["test", "lib", "webpack.config.js"]