Add failure/safety checks for PFInstallation.+currentInstallation.#901

Merged

nlutsenko merged 2 commits intomasterfrom

nlutsenko.installationId

Apr 16, 2016

Commits on Apr 16, 2016

Only create new installation if loading of installationId succeeded.
nlutsenko
committed
Mark PFInstallation.+currentInstallation as nullable.
nlutsenko
committed