[task] Simplify gruntfile tasks

Author: slyg

Gruntfile.js

@@ -1,37 +1,13 @@
 var grunt = require('grunt');
 
 grunt.loadNpmTasks('grunt-contrib-jshint');
-grunt.loadNpmTasks('grunt-istanbul-coverage');
-grunt.loadNpmTasks('grunt-exec');
 
 grunt.initConfig({
 
   jshint: {
     all : ['src/**/*.js', 'test/*.js', 'bin/**/*.js']
-  },
-
-  exec : {
-    coverage : {
-      cmd : 'npm run-script istanbul',
-      stdout : false,
-      stderr: false
-    }
-  },
-
-  coverage: {
-    options: {
-      thresholds: {
-        'statements': 90,
-        'branches': 90,
-        'lines': 90,
-        'functions': 90
-      },
-      dir: '',
-      root: 'coverage'
-    }
-  },
+  }
 
 });
 
-
-grunt.registerTask('validate', ['jshint:all', 'exec:coverage', 'coverage']);
+grunt.registerTask('default', ['jshint:all']);

package.json

@@ -40,7 +40,6 @@
   },
   "scripts": {
     "test": "mocha --compilers coffee:coffee-script/register",
-    "test-watch": "mocha -w --compilers coffee:coffee-script/register",
-    "istanbul": "istanbul cover _mocha -w --compilers coffee:coffee-script/register"
+    "test-watch": "mocha -w --compilers coffee:coffee-script/register"
   }
 }