The differences to VS 2010 project files are the
version number (surprise!) and the PlatformToolSet tag which
sets the version of the toolchain.
Change-Id: If26f08fad1a69d7e6cd28cc5e860ff964f19b264
Reviewed-by: Andy Shaw <andy.shaw@digia.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>