Bump jest from 21.2.1 to 22.0.1

Bumps [jest](https://github.com/facebook/jest) from 21.2.1 to 22.0.1.
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](jestjs/jest@v21.2.1...v22.0.1)

package.json

@@ -84,7 +84,7 @@
     "gulp-if": "^2.0.2",
     "gulp-plumber": "^1.1.0",
     "gulp-shell": "^0.6.3",
-    "jest": "^21.2.1",
+    "jest": "^22.0.1",
     "nullpo": "^0.0.2",
     "postcss-loader": "^2.0.9",
     "pretty-error": "^2.1.1",