Add eslint

.eslintrc

@@ -0,0 +1,3 @@
+{
+  "extends": "eslint-config-unstyled"
+}

package.json

@@ -1,35 +1,44 @@
 {
-    "name": "mbtiles",
-    "version": "0.8.2",
-    "description": "Utilities and tilelive integration for the MBTiles format.",
-    "url": "http://github.com/mapbox/node-mbtiles",
-    "author": "Mapbox (https://www.mapbox.com)",
-    "keywords": ["map", "mbtiles"],
-    "licenses": [{ "type": "BSD" }],
-    "main": "./lib/mbtiles",
-    "repository": {
-        "type": "git",
-        "url": "http://github.com/mapbox/node-mbtiles.git"
-    },
-    "contributors": [
-        "Tom MacWright <tmcw>",
-        "Will White <willwhite>",
-        "Dane Springmeyer <springmeyer>",
-        "Young Hahn <yhahn>",
-        "Konstantin Käfer <kkaefer>"
-    ],
-    "dependencies": {
-        "tiletype": "0.1.x",
-        "sqlite3": "3.x",
-        "sphericalmercator": "~1.0.1"
-    },
-    "devDependencies": {
-        "tape": "~3.0.0"
-    },
-    "engines": {
-        "node": ">= 0.10.0"
-    },
-    "scripts": {
-        "test": "tape test/*.js"
+  "name": "mbtiles",
+  "version": "0.8.2",
+  "description": "Utilities and tilelive integration for the MBTiles format.",
+  "url": "http://github.com/mapbox/node-mbtiles",
+  "author": "Mapbox (https://www.mapbox.com)",
+  "keywords": [
+    "map",
+    "mbtiles"
+  ],
+  "licenses": [
+    {
+      "type": "BSD"
     }
-}
+  ],
+  "main": "./lib/mbtiles",
+  "repository": {
+    "type": "git",
+    "url": "http://github.com/mapbox/node-mbtiles.git"
+  },
+  "contributors": [
+    "Tom MacWright <tmcw>",
+    "Will White <willwhite>",
+    "Dane Springmeyer <springmeyer>",
+    "Young Hahn <yhahn>",
+    "Konstantin Käfer <kkaefer>"
+  ],
+  "dependencies": {
+    "tiletype": "0.1.x",
+    "sqlite3": "3.x",
+    "sphericalmercator": "~1.0.1"
+  },
+  "devDependencies": {
+    "tape": "~3.0.0",
+    "eslint": "~1.00.0",
+    "eslint-config-unstyled": "^1.1.0"
+  },
+  "engines": {
+    "node": ">= 0.10.0"
+  },
+  "scripts": {
+    "test": "eslint lib && tape test/*.js"
+  }
+}