Removed dependency on async.js, prepared npm publishing

Author: serratus

Gruntfile.js

@@ -48,18 +48,13 @@ module.exports = function(grunt) {
                         "glMatrixAddon" : {
                             "deps" : ["glMatrix"],
                             "exports" : "glMatrixAddon"
-                        },
-                        "async": {
-                            "deps": [],
-                            "exports": "async"
                         }
                     },
 
                     "paths" : {
                         "typedefs" : "typedefs",
                         "glMatrix" : "vendor/glMatrix",
-                        "glMatrixAddon" : "glMatrixAddon",
-                        "async": "vendor/async"
+                        "glMatrixAddon" : "glMatrixAddon"
                     }
                 }
             }

build/start.frag

@@ -5,6 +5,8 @@
         //see this AMD call, not the internal modules in
         //the closure below.
         define([], factory);
+    } else if (typeof module !== 'undefined') {
+        module.exports = factory();
     } else {
         //Browser globals case. Just assign the
         //result to a property on the global.