Close #842 - Move version task to a grunt plugin

Gruntfile.js

@@ -48,6 +48,15 @@ module.exports = function(grunt) {
         }
       }
     },
+    version: {
+      options: {
+        file: 'lib/scripts.php',
+        css: 'assets/css/main.min.css',
+        cssHandle: 'roots_main',
+        js: 'assets/js/scripts.min.js',
+        jsHandle: 'roots_scripts'
+      }
+    },
     watch: {
       less: {
         files: [
@@ -85,12 +94,12 @@ module.exports = function(grunt) {
   });
 
   // Load tasks
-  grunt.loadTasks('tasks');
   grunt.loadNpmTasks('grunt-contrib-clean');
   grunt.loadNpmTasks('grunt-contrib-jshint');
   grunt.loadNpmTasks('grunt-contrib-uglify');
   grunt.loadNpmTasks('grunt-contrib-watch');
   grunt.loadNpmTasks('grunt-recess');
+  grunt.loadNpmTasks('grunt-wp-version');
 
   // Register tasks
   grunt.registerTask('default', [