chore(package): update dependencies

bower.json

@@ -33,9 +33,9 @@
   },
   "devDependencies": {
     "esprima": "~1.2.2",
-    "escodegen": "1.3.0",
-    "estraverse": "~1.5.0",
-    "mocha": "~1.21.5",
+    "escodegen": "1.4.1",
+    "estraverse": "~1.7.0",
+    "mocha": "~2.0.1",
     "requirejs": "~2.1.15",
     "assert": "Jxck/assert"
   },

package.json

@@ -15,20 +15,20 @@
     "escallmatch": "~0.3.1",
     "escodegen": "~1.4.1",
     "espurify": "~0.1.3",
-    "estraverse": "~1.5.1",
-    "source-map": "~0.1.39",
+    "estraverse": "~1.7.0",
+    "source-map": "~0.1.40",
     "type-name": "~1.0.0",
     "xtend": "~4.0.0"
   },
   "devDependencies": {
     "blanket": "~1.1.6",
-    "browserify": "~6.1.0",
+    "browserify": "~6.2.0",
     "del": "~0.1.3",
     "esprima": "~1.2.2",
-    "gulp": "~3.8.8",
+    "gulp": "~3.8.9",
     "gulp-derequire": "~2.0.0",
     "gulp-mocha": "~1.1.1",
-    "gulp-mocha-phantomjs": "~0.5.0",
+    "gulp-mocha-phantomjs": "~0.5.1",
     "gulp-util": "~3.0.1",
     "gulp-webserver": "~0.8.3",
     "mocha": "~2.0.1",