Removed dependency on old glMatrix

Gruntfile.js

@@ -44,21 +44,12 @@ module.exports = function(grunt) {
                         "typedefs" : {
                             "deps" : [],
                             "exports" : "typedefs"
-                        },
-                        "glMatrix" : {
-                            "deps" : ["typedefs"],
-                            "exports" : "glMatrix"
-                        },
-                        "glMatrixAddon" : {
-                            "deps" : ["glMatrix"],
-                            "exports" : "glMatrixAddon"
                         }
                     },
 
                     "paths" : {
                         "typedefs" : "typedefs",
-                        "glMatrix" : "vendor/glMatrix",
+                        "gl-matrix": "../node_modules/gl-matrix/dist/gl-matrix"
-                        "glMatrixAddon" : "glMatrixAddon"
                     }
                 }
             }

src/barcode_locator.js

@@ -1,5 +1,5 @@
 /* jshint undef: true, unused: true, browser:true, devel: true */
-/* global define, mat2, vec2 */
+/* global define */
 
 define("barcode_locator", ["image_wrapper", "cv_utils", "rasterizer", "tracer", "skeletonizer", "array_helper", "image_debug", "gl-matrix"],
 function(ImageWrapper, CVUtils, Rasterizer, Tracer, skeletonizer, ArrayHelper, ImageDebug, glMatrix) {