Print the important failure messages on iOS even in a non-debug build
Print the important failure messages on iOS even in a non-debug build

It might be that having fprintfs leftover in an app submitted to the
App Store is a no-go, but will fix that then if/when it happens.

Change-Id: Ic671fcce567c655a06fd4ed139100dc9b6f435be

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core