The prototype project is a minimal project, with
LibreOffice kit.

The purpose is to check if it can build, and be foundation
for other projects.

The project have been updated to use the newest xcode

Change-Id: Iac277629bc749bcacb83fb056c70a9ec46c8156d
Reviewed-on: https://gerrit.libreoffice.org/35286Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>