updating gruntfile & travis install & npm test command

.travis.yml

@@ -2,5 +2,5 @@ language: node_js
 node_js:
   - 0.8
 before_script:
-  - "npm install -g grunt"
+  - "npm install -g grunt-cli"
   - "npm install"

Gruntfile.js

@@ -1,4 +1,6 @@
 module.exports = function (grunt) {
+  require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);
+
   grunt.initConfig({
     coffee: {
       lib: {
@@ -42,15 +44,11 @@ module.exports = function (grunt) {
         run: true
       }
     },
-    watch: {
+    npm: {
       files: ['lib/**/*.coffee', 'spec/lib/**/*.coffee', 'spec/support/**/*.coffee', 'less/**/*.less'],
       tasks: 'default'
     }
   });
 
-  grunt.loadNpmTasks('grunt-coffee');
-  grunt.loadNpmTasks('grunt-mocha');
-  grunt.loadNpmTasks('grunt-contrib-less');
-
   grunt.registerTask('default', 'concat coffee less min mocha');
 };

package.json

@@ -15,12 +15,14 @@
     "url": "https://github.com/oesmith/morris.js/issues"
   },
   "devDependencies": {
-    "grunt-coffee": "~> 0.0.6",
-    "grunt-mocha": "~> 0.1.7",
+    "grunt": "~0.4.1",
+    "grunt-mocha": "~0.4.1",
     "grunt-contrib-less": "~> 0.3.2",
-    "grunt": "~> 0.3.17"
+    "grunt-contrib-concat": "~0.3.0",
+    "grunt-coffee": "0.0.6",
+    "matchdep": "~0.1.2"
   },
   "scripts": {
-    "test": "./node_modules/.bin/grunt coffee mocha"
+    "test": "grunt coffee mocha"
   }
 }