signal EOS on parent bins, when the last element playing sends EOS
signal EOS on parent bins, when the last element playing sends EOS

Original commit message from CVS:
signal EOS on parent bins, when the last element playing sends EOS

krichter722/gstreamer,magcius/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,lovebug356/gstreamer,centricular/gstreamer,Lachann/gstreamer,drothlis/gstreamer,ensonic/gstreamer,ylatuya/gstreamer,Lachann/gstreamer,collects/gstreamer,lubosz/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,ylatuya/gstreamer,surround-io/gstreamer,collects/gstreamer,surround-io/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,krieger-od/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,magcius/gstreamer,collects/gstreamer,mparis/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,ylatuya/gstreamer,collects/gstreamer,Lachann/gstreamer,magcius/gstreamer,ensonic/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,centricular/gstreamer,mparis/gstreamer,ahmedammar/platform_external_gst_gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,Distrotech/gstreamer,Lachann/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,mparis/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,centricular/gstreamer,ensonic/gstreamer,ahmedammar/platform_external_gst_gstreamer,ylatuya/gstreamer,StreamUtils/gstreamer,ensonic/gstreamer,Distrotech/gstreamer,jpxiong/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,centricular/gstreamer,drothlis/gstreamer,krichter722/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,mrchapp/gstreamer,ensonic/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,Distrotech/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,collects/gstreamer,mparis/gstreamer,cfoch/gstreamer,krichter722/gstreamer,cfoch/gstreamer,drothlis/gstreamer,cablelabs/gstreamer,krieger-od/gstreamer,shelsonjava/gstreamer,lubosz/gstreamer,mrchapp/gstreamer,ahmedammar/platform_external_gst_gstreamer,surround-io/gstreamer,surround-io/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,mrchapp/gstreamer,cablelabs/gstreamer,cablelabs/gstreamer,Distrotech/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,drothlis/gstreamer,lubosz/gstreamer,ahmedammar/platform_external_gst_gstreamer,cablelabs/gstreamer,mparis/gstreamer,drothlis/gstreamer,centricular/gstreamer,mrchapp/gstreamer,ahmedammar/platform_external_gst_gstreamer,jpakkane/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,StreamUtils/gstreamer,ylatuya/gstreamer