Feature/photo list#2

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liptonday wants to merge 3 commits intoTradeRev:masterfrom

liptonday:feature/photo_list

Commits on Mar 19, 2018

pod install and API setup
liptonday
committed

Commits on Mar 20, 2018

load first page of unsplash photos
liptonday
committed

Commits on Mar 21, 2018

unit tests and orientation support
liptonday
committed