Add jshint config and lint script.

jshint.json

@@ -0,0 +1,18 @@
+{
+    "maxerr"        : 100,
+    "node"          : true,
+    "curly"         : true,
+    "eqeqeq"        : true,
+    "latedef"       : false,
+    "undef"         : true,
+    "newcap"        : true,
+    "nonew"         : true,
+    "onevar"        : false,
+    "trailing"      : true,
+    "white"         : false,
+    "sub"           : true,
+    "evil"          : true,
+    "es5"           : true,
+    "onecase"       : true,
+    "strict"        : false
+}

package.json

@@ -41,6 +41,7 @@
     "bin": "./bin"
   },
   "scripts": {
+    "lint": "./scripts/lint.sh",
     "test": "make test"
   },
   "dependencies": {

scripts/lint.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# Copyright 2013 Tomaz Muraus
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+./node_modules/.bin/jshint $(find ./lib -type f -name "*.js" | grep -v lib/extern) --config jshint.json