With the release of JIRA 7, the way you manage access to applications and roles has changed a bit.
If you wish to grant certain group/user a role of any project, you need to go to the Project Administration:
Feel free to watch this related call to user roles:
I have multiple projects that use variations of the same base workflow. The variations depend on the requirements of the project or issue type. The variations mostly come in the form of new statuses ...
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