Revert "Deleting BoxSDK, it has to be pulled manually"
Revert "Deleting BoxSDK, it has to be pulled manually"

This reverts commit 2ed7ba09b7a1c3a93c64fa8e5bc6888bfd44dbd7.

jeffbailey/box-ios-sdk-sample-app,jeffbailey/box-ios-sdk-sample-app,jeffbailey/box-ios-sdk-sample-app,jeffbailey/box-ios-sdk-sample-app