Define PFLocalizedString, avoiding re-mapping NSLocalizedString macro.

[huguesbr]

No description provided.

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[nlutsenko]

Awesome! Will merge in after CLA is signed and Travis passes.

[nlutsenko]

Ok, great. Travis passed, the last piece is CLA - please sign it, so I can merge it in.

[huguesbr]

@nlutsenko for my education what is CLA?
edited: never mind.. I've just learn to read.. :)

[huguesbr]

@nlutsenko CLA done.. I hope I didn't just offer my very first born (or second, I already have a daughter...)

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