Bug 830347 - Part 1: Initialize D3D11 device when needed. r=jrmuizel
Bug 830347 - Part 2: Add the code for CompositorD3D11. r=jrmuizel
Bug 830347 - Part 3: Integrate new D3D compositor into widget. r=jmathies
Bug 798358 - Use learnmore link for addons on about:home. r=mfinkle
Bug 835610 - [polish] Firefox app bar location text does not revert to the previous value when user presses escape.r=mbrubeck