Build targets instead of a scheme which doesn't exist in a clean tree
Build targets instead of a scheme which doesn't exist in a clean tree

If you try to build in a tree fresh from a clone, with no manual build in Xcode done,
there will be no "schemes", so the xcodebuild will fail. Instead, build the "targets".

Change-Id: Ie2689880e66d1aaa97661970d2060f5935cfcf17

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