chore(package): update dependencies

bower.json

@@ -31,7 +31,7 @@
   },
   "devDependencies": {
     "espower-source": "~0.9.1",
-    "mocha": "~1.21.5",
+    "mocha": "~2.0.1",
     "requirejs": "~2.1.15",
     "assert": "Jxck/assert",
     "buster.js": "~0.7.0"

package.json

@@ -11,22 +11,22 @@
     "url": "http://github.com/twada/empower/issues"
   },
   "dependencies": {
-    "escallmatch": "~0.3.1",
+    "escallmatch": "~1.0.0",
     "xtend": "~4.0.0"
   },
   "devDependencies": {
     "blanket": "~1.1.6",
-    "browserify": "~6.0.3",
+    "browserify": "~6.2.0",
     "buster-assertions": "~0.10.4",
     "del": "~0.1.3",
     "espower-source": "~0.9.1",
-    "gulp": "~3.8.8",
+    "gulp": "~3.8.9",
     "gulp-derequire": "~2.0.0",
-    "gulp-mocha": "~1.1.0",
-    "gulp-mocha-phantomjs": "~0.5.0",
+    "gulp-mocha": "~1.1.1",
+    "gulp-mocha-phantomjs": "~0.5.1",
     "gulp-util": "~3.0.1",
-    "gulp-webserver": "~0.8.2",
-    "mocha": "~1.21.5",
+    "gulp-webserver": "~0.8.3",
+    "mocha": "~2.0.1",
     "mocha-lcov-reporter": "~0.0.1",
     "through2": "~1.1.1",
     "vinyl-source-stream": "~1.0.0"