• Add WebRender integration to Servo.

    WebRender is an experimental GPU accelerated rendering backend for Servo.
    
    The WebRender backend can be specified by running Servo with the -w option (otherwise the default rendering backend will be used).
    
    WebRender has many bugs, and missing features - but it is usable to browse most websites - please report any WebRender specific rendering bugs you encounter!
    gw3583 committed Feb 18, 2016