Fix permission on relog#8

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lysanntranvouez wants to merge 2 commits intodevedup:masterfrom

lysanntranvouez:fix-permission-on-relog

Commits on Sep 20, 2013

fix permission when re-logging the user with checkAuthorizationOnCompletion:
lysanntranvouez
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setObject:forKey: looks a bit cleaner than setValue:forKey: when also using stringForKey: and objectForKey: and removeObjectForKey:
lysanntranvouez
committed