migrate to gulp

package.json

@@ -4,23 +4,17 @@
   "author": "Anton Lavrenov",
   "devDependencies": {
     "chai": "1.9.2",
-    "finalhandler": "^0.3.3",
-    "grunt": "0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "0.6.0",
-    "grunt-contrib-concat": "0.5.0",
-    "grunt-contrib-copy": "~0.6.0",
-    "grunt-contrib-jshint": "0.10.0",
-    "grunt-contrib-nodeunit": "0.4.1",
-    "grunt-contrib-uglify": "0.6.0",
-    "grunt-contrib-watch": "~0.6.1",
-    "grunt-jsdoc": "^0.5.7",
-    "grunt-mocha-phantomjs": "~0.6.0",
-    "grunt-replace": "0.7.9",
-    "grunt-shell": "~1.1.1",
-    "jsdoc": "~3.3.0-alpha9",
-    "mocha": "1.21.4",
-    "serve-static": "^1.8.0"
+    "gulp": "^3.8.10",
+    "gulp-concat": "^2.5.2",
+    "gulp-connect": "^2.2.0",
+    "gulp-jsdoc": "^0.1.4",
+    "gulp-jshint": "^1.10.0",
+    "gulp-mocha-phantomjs": "^0.6.1",
+    "gulp-rename": "^1.2.0",
+    "gulp-replace": "^0.5.3",
+    "gulp-uglify": "^1.1.0",
+    "gulp-util": "^3.0.1",
+    "mocha": "1.21.4"
   },
   "keywords": [
     "canvas",