Bring boilerplate files in line with my current best practices

.editorconfig

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

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "rules": {
+    "quotes": [ 2, "single" ],
+    "no-shadow": 0,
+    "no-use-before-define": [ 2, "nofunc" ],
+    "strict": 2
+  },
+  "env": {
+    "browser": true
+  }
+}

.gitignore

@@ -5,4 +5,4 @@ node_modules
 build
 
 # Ignore annoying OS X files
-.DS_Store
+.DS_Store

package.json

@@ -1,13 +1,13 @@
 {
-    "name": "Placeholders.js",
-    "version": "3.0.2",
-    "author": "James Allardice <admin@jamesallardice.com>",
-    "description": "A JavaScript polyfill for the HTML5 placeholder attribute",
-    "private": true,
-    "devDependencies": {
-        "grunt": "0.4.x",
-        "grunt-contrib-jshint": "0.3.x",
-        "grunt-contrib-concat": "0.1.x",
-        "grunt-contrib-uglify": "0.2.x"
-    }
+  "name": "Placeholders.js",
+  "version": "3.0.2",
+  "author": "James Allardice <admin@jamesallardice.com>",
+  "description": "A JavaScript polyfill for the HTML5 placeholder attribute",
+  "private": true,
+  "devDependencies": {
+    "grunt": "0.4.x",
+    "grunt-contrib-jshint": "0.3.x",
+    "grunt-contrib-concat": "0.1.x",
+    "grunt-contrib-uglify": "0.2.x"
+  }
 }