Add AutotestRunner for qbs project.

Change-Id: I604503fe0fe2d422fa6beeb788482f47a6a1b947
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>
Enable C++11.

Change-Id: I8b0513e59c259d0535c6d0299ed64f531ae977c6
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>