Merge branch 'hotfix/4.0.1'

* hotfix/4.0.1:
  * Fixed homepage
update ruby for CVE-2013-6393
* Updated gems
* update ruby for CVE-2013-6393
Merge branch 'hotfix/4.0.2' into develop

* hotfix/4.0.2:
  * Updated gems * update ruby for CVE-2013-6393
  update ruby for CVE-2013-6393