common: Update to tip of 0.11 branch
common: Update to tip of 0.11 branch

cfoch/ges,pitivi/gst-editing-services,pitivi/gst-editing-services,cfoch/ges,volodymyrrudyi/gst-editing-services,cfoch/ges,pitivi/gst-editing-services,volodymyrrudyi/gst-editing-services,cfoch/gst-editing-services,cfoch/gst-editing-services,cfoch/ges,cfoch/gst-editing-services,cfoch/gst-editing-services,volodymyrrudyi/gst-editing-services,pitivi/gst-editing-services