testrunner: Added control over parallel tests run
testrunner: Added control over parallel tests run

AndreasAakesson/IncludeOS,AnnikaH/IncludeOS,alfred-bratterud/IncludeOS,mnordsletten/IncludeOS,AndreasAakesson/IncludeOS,ingve/IncludeOS,AndreasAakesson/IncludeOS,mnordsletten/IncludeOS,ingve/IncludeOS,alfred-bratterud/IncludeOS,mnordsletten/IncludeOS,ingve/IncludeOS,alfred-bratterud/IncludeOS,AndreasAakesson/IncludeOS,mnordsletten/IncludeOS,hioa-cs/IncludeOS,ingve/IncludeOS,AndreasAakesson/IncludeOS,AnnikaH/IncludeOS,AnnikaH/IncludeOS,hioa-cs/IncludeOS,AnnikaH/IncludeOS,mnordsletten/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,hioa-cs/IncludeOS,alfred-bratterud/IncludeOS,hioa-cs/IncludeOS,ingve/IncludeOS,mnordsletten/IncludeOS,AndreasAakesson/IncludeOS,AnnikaH/IncludeOS