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the link to add a site is displayed in the tab "Sites" and if I try to add a site I have the message "it requires superuser access".
We should not display this link for non super user users.
Attachment: removes add site link if not superuser
added a patch to remove "add site" link if not superuser. i added the isSuperUser to global view, because i thought it could be usefull in other plugins too, otherwise we could add it to sitesmanager controller.
In , fixes #1053 - don't display "add site" link if not the superuser