Creates text, XML, and HTML reports with test results, and we create separate reports directories per {web, hosted}.
Creates text, XML, and HTML reports with test results, and we create separate
reports directories per {web, hosted}.

Reviewed by aragos (http://codereview.appspot.com/67051)

semeiskii/google-gin,sgkhode/google-gin,AbhishekKS/google-gin,gpicron/google-gin,nishtahir/google-gin,MohamadAli-Honarpisheh/google-gin,anne/google-gin,michaelwiles/google-gin,kohlhaas/google-gin