Bug 1093694 - Don't allow any graphics features when there's a driver version mismatch. r=jrmuizel, a=sledru

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branch : GECKO331_2014103013_RELBRANCH
Bug 1021265 - Regard d3d11 as broken with displaylink on versions <= 8.6.1.36484, and fall back to basic layers. r=jrmuizel, a=sledru

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branch : GECKO331_2014103013_RELBRANCH