Scaffold: Add editorconfig & improve linting

.editorconfig

@@ -0,0 +1,10 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.jshintrc

@@ -0,0 +1,19 @@
+{
+  "camelcase": true,
+  "curly": true,
+  "eqeqeq": true,
+  "freeze": true,
+  "indent": 2,
+  "newcap": false,
+  "quotmark": "single",
+  "maxdepth": 3,
+  "maxstatements": 50,
+  "maxlen": 80,
+  "eqnull": true,
+  "funcscope": true,
+  "strict": true,
+  "undef": true,
+  "unused": true,
+  "node": true,
+  "mocha": true
+}

package.json

@@ -30,7 +30,7 @@
     "through2": "^0.5.1"
   },
   "scripts": {
-    "test": "mocha --reporter spec && jshint",
+    "test": "mocha --reporter spec && jshint lib",
     "coveralls": "istanbul cover _mocha -- -R spec && cat ./coverage/lcov.info | coveralls && rm -rf ./coverage"
   },
   "engines": {