Add grunt-contrib-concat. Used only to add a banner to the compiled coffeescript…

… file since grunt-contrib-coffee doesn't have that feature.

@@ -14,6 +14,13 @@ module.exports = (grunt) ->
         files:
           'lib/rivets.js': 'src/rivets.coffee'
 
+    concat:
+      all:
+        options:
+          banner: '<%= meta.banner %>'
+        files:
+          'lib/rivets.js': 'lib/rivets.js'
+
     uglify:
       all:
         options:
@@ -34,10 +41,11 @@ module.exports = (grunt) ->
         tasks: ['build', 'spec']
 
   grunt.loadNpmTasks 'grunt-contrib-coffee'
+  grunt.loadNpmTasks 'grunt-contrib-concat'
   grunt.loadNpmTasks 'grunt-contrib-uglify'
   grunt.loadNpmTasks 'grunt-contrib-jasmine'
   grunt.loadNpmTasks 'grunt-contrib-watch'
 
   grunt.registerTask 'default', ['watch']
   grunt.registerTask 'spec',    ['jasmine']
-  grunt.registerTask 'build',   ['coffee', 'uglify']
+  grunt.registerTask 'build',   ['coffee', 'concat', 'uglify']

@@ -18,6 +18,7 @@
   "devDependencies": {
     "grunt": "~0.4.1",
     "grunt-contrib-coffee": "~0.7.0",
+    "grunt-contrib-concat": "~0.3.0",
     "grunt-contrib-uglify": "~0.2.0",
     "grunt-contrib-jasmine": "~0.4.2",
     "grunt-contrib-watch": "~0.3.1"