Updated OSF Installer for Ubuntu 14.04

@band here is the pull request. You should merge that pull request into your own repository. Then re-test what I did. If everything works fine then create a pull request on the master OSF Installer repo. Then I will merge your work on the main public repo.

Here is how you can do such a pull request with the GitHub user interface: https://help.github.com/articles/using-pull-requests