Bug 916111 - Enable Gaia UI tests for Linux platform. r=aki
Bug 1009517 - Enable web-platform-tests on Windows on Cedar, r=aki
bug 1000208: make it possible to post b2g mar info to balrog. r=aki
Merge bugs 916111, 1009517, and 1000208 from default.

--HG--
branch : production
back out 3fc51abcc61a.
merge default -> production

--HG--
branch : production
Bug 1010674: Disable build-system, services-central and birch. r=nthomas

--HG--
branch : production
extra : transplant_source : P%CC%F1%92%7B%EE%CE%21%C9%99G%3F3%9F%811%5B%81d%FF