Add npm shortcuts for building.

Author: 0xfe

.travis.yml

@@ -1,6 +1,5 @@
 language: node_js
 node_js:
   - "0.11"
-before_install: npm install -g grunt-cli
 install: npm install
-before_script: grunt stage
+before_script: npm start

Gruntfile.js

@@ -164,13 +164,13 @@ module.exports = function(grunt) {
   // Release current build.
   grunt.registerTask('stage', 'Stage current binaries to releases/.', function() {
     grunt.task.run('default');
-    grunt.task.run('test');
     grunt.task.run('copy:release');
   });
 
   // Increment package version and publish to NPM.
   grunt.registerTask('publish', 'Publish VexFlow NPM.', function() {
     grunt.task.run('stage');
+    grunt.task.run('test');
     grunt.task.run('release');
   });
-};
+};

package.json

@@ -35,6 +35,7 @@
     "raphael": "^2.1.0"
   },
   "scripts": {
+    "start": "grunt stage",
     "test": "grunt test"
   },
   "homepage": "http://vexflow.com",