Add user permission for upgrading edition

[angrybrad]

Created by: Fred Carlsen ([email protected]) on 2015/03/11 07:34:22 +0000
Votes at time of UserVoice import: 2

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We often let the client buy the license, but this isn't currently possible unless the user is an admin.

This obviously doesn't mesh well with the wish to avoid making the client an admin, ever.

I propose another user permission that specifically allow an user to upgrade the edition.