Do not use short_description in section docs for elements. We extract them from element details and there will be war...
Do not use short_description in section docs for elements. We extract them from element details and there will be war...

Original commit message from CVS:
* ext/dc1394/gstdc1394.c:
* ext/ivorbis/vorbisdec.c:
* ext/jack/gstjackaudiosink.c:
* ext/metadata/gstmetadatademux.c:
* ext/mythtv/gstmythtvsrc.c:
* ext/theora/theoradec.c:
* gst-libs/gst/app/gstappsink.c:
* gst/bayer/gstbayer2rgb.c:
* gst/deinterlace/gstdeinterlace.c:
* gst/rawparse/gstaudioparse.c:
* gst/rawparse/gstvideoparse.c:
* gst/rtpmanager/gstrtpbin.c:
* gst/rtpmanager/gstrtpclient.c:
* gst/rtpmanager/gstrtpjitterbuffer.c:
* gst/rtpmanager/gstrtpptdemux.c:
* gst/rtpmanager/gstrtpsession.c:
* gst/rtpmanager/gstrtpssrcdemux.c:
* gst/selector/gstinputselector.c:
* gst/selector/gstoutputselector.c:
* gst/videosignal/gstvideoanalyse.c:
* gst/videosignal/gstvideodetect.c:
* gst/videosignal/gstvideomark.c:
* sys/oss4/oss4-mixer.c:
* sys/oss4/oss4-sink.c:
* sys/oss4/oss4-source.c:
Do not use short_description in section docs for elements. We extract
them from element details and there will be warnings if they differ.
Also fixing up the ChangeLog order.

krad-radio/gstreamer-plugins-good-krad,ylatuya/gst-plugins-good,ted-n/gst-plugins-good,dgerlach/gst-plugins-good,loshca/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer-sdk__gst-plugins-good,StreamUtils/gst-plugins-good,shelsonjava/gst-plugins-good,surround-io/gst-plugins-good,mrchapp/gst-plugins-good,alessandrod/gst-plugins-good,collects/gst-plugins-good,Lachann/gst-plugins-good,rikaunite/gst-opera_gst-plugins-good,vatavuserban/gst-plugins-good,wkatsak/gst-plugins-good,sebras/gst-plugins-good,Kurento/gst-plugins-good,knuesel/gst-plugins-good,ahmedammar/platform_external_gst_plugins_good,StreamUtils/gst-plugins-good,krieger-od/gst-plugins-good,loshca/gst-plugins-good,strukturag/gst-plugins-good,loshca/gst-plugins-good,stfl/gst-plugins-good,Kurento/gst-plugins-good,davibe/gst-plugins-good-1.0,an146/gst-plugins-good,froggatt/gst-plugins-good-m,ikonst/gst-plugins-good,GStreamer/gst-plugins-good,jhodapp/gst-plugins-good,lovebug356/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer__gst-plugins-good,wkatsak/gst-plugins-good,BigBrother-International/gst-plugins-good,shelsonjava/gst-plugins-good,veo-labs/gst-plugins-good,knuesel/gst-plugins-good,davibe/gst-plugins-good-1.0,veo-labs/gst-plugins-good,froggatt/gst-plugins-good-m,cablelabs/gst-plugins-good,collects/gst-plugins-good,dgerlach/gst-plugins-good,shelsonjava/gst-plugins-good,ariscop/gst-plugins-good,GStreamer/gst-plugins-good,wkatsak/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer-sdk__gst-plugins-good,an146/gst-plugins-good,ndufresne/gst-plugins-good,jcaden/gst-plugins-good,jhodapp/gst-plugins-good,kittee/gst-plugins-good,BigBrother-International/gst-plugins-good,greg80303/gst-plugins-good,offlinehacker/gst-plugins-good,reynaldo-samsung/gst-plugins-good,sh0/gst-plugins-good,sebras/gst-plugins-good,vatavuserban/gst-plugins-good,shelsonjava/gst-plugins-good,ijsf/OpenWebRTC-gst-plugins-good,jpakkane/gstreamer-plugins-good,rawoul/gst-plugins-good,jhodapp/gst-plugins-good,chamois94/gst-plugins-good,strukturag/gst-plugins-good,GrokImageCompression/gst-plugins-good,ndufresne/gst-plugins-good,sebras/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer__gst-plugins-good,collects/gst-plugins-good,jcaden/gst-plugins-good,cfoch/gst-plugins-good,ikonst/gst-plugins-good,Distrotech/gst-plugins-good,knuesel/gst-plugins-good,Kurento/gst-plugins-good,jhodapp/gst-plugins-good,davibe/gst-plugins-good-1.0,luisbg/gst-plugins-good,vatavuserban/gst-plugins-good,alessandrod/gst-plugins-good,lovebug356/gst-plugins-good,matsu/gst-plugins-good,pexip/gst-plugins-good,lovebug356/gst-plugins-good,ylatuya/gst-plugins-good,veo-labs/gst-plugins-good,rikaunite/gst-opera_gst-plugins-good,ahmedammar/platform_external_gst_plugins_good,loshca/gst-plugins-good,matsu/gst-plugins-good,froggatt/gst-plugins-good-m,freedesktop-unofficial-mirror/gstreamer-sdk__gst-plugins-good,hizukiayaka/gst-plugins-good,wkatsak/gst-plugins-good,ikonst/gst-plugins-good,StreamUtils/gst-plugins-good,strukturag/gst-plugins-good,knuesel/gst-plugins-good,surround-io/gst-plugins-good,reynaldo-samsung/gst-plugins-good,Distrotech/gst-plugins-good,jpakkane/gstreamer-plugins-good,pexip/gst-plugins-good,offlinehacker/gst-plugins-good,cablelabs/gst-plugins-good,rawoul/gst-plugins-good,alessandrod/gst-plugins-good,collects/gst-plugins-good,cablelabs/gst-plugins-good,krieger-od/gst-plugins-good,chamois94/gst-plugins-good,cfoch/gst-plugins-good,Kurento/gst-plugins-good,ijsf/OpenWebRTC-gst-plugins-good,ariscop/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer__gst-plugins-good,hizukiayaka/gst-plugins-good,ndufresne/gst-plugins-good,ted-n/gst-plugins-good,ahmedammar/platform_external_gst_plugins_good,GStreamer/gst-plugins-good,krieger-od/gst-plugins-good,Distrotech/gst-plugins-good,reynaldo-samsung/gst-plugins-good,BigBrother-International/gst-plugins-good,Distrotech/gst-plugins-good,cfoch/gst-plugins-good,ted-n/gst-plugins-good,cablelabs/gst-plugins-good,luisbg/gst-plugins-good,BigBrother-International/gst-plugins-good,greg80303/gst-plugins-good,mrchapp/gst-plugins-good,Distrotech/gst-plugins-good,davibe/gst-plugins-good,sh0/gst-plugins-good,an146/gst-plugins-good,jcaden/gst-plugins-good,cfoch/gst-plugins-good,GrokImageCompression/gst-plugins-good,mrchapp/gst-plugins-good,freedesktop-unofficial-mirror/gstreamer__gst-plugins-good,kittee/gst-plugins-good,pexip/gst-plugins-good,froggatt/gst-plugins-good-m,alessandrod/gst-plugins-good,hizukiayaka/gst-plugins-good,krad-radio/gstreamer-plugins-good-krad,stfl/gst-plugins-good,mrchapp/gst-plugins-good,krieger-od/gst-plugins-good,pexip/gst-plugins-good,stfl/gst-plugins-good,davibe/gst-plugins-good,kittee/gst-plugins-good,ijsf/OpenWebRTC-gst-plugins-good,jpakkane/gstreamer-plugins-good,sh0/gst-plugins-good,hizukiayaka/gst-plugins-good,krad-radio/gstreamer-plugins-good-krad,ylatuya/gst-plugins-good,chamois94/gst-plugins-good,ikonst/gst-plugins-good,ted-n/gst-plugins-good,offlinehacker/gst-plugins-good,davibe/gst-plugins-good-1.0,rikaunite/gst-opera_gst-plugins-good,dgerlach/gst-plugins-good,ahmedammar/platform_external_gst_plugins_good,ariscop/gst-plugins-good,ijsf/OpenWebRTC-gst-plugins-good,mrchapp/gst-plugins-good,lovebug356/gst-plugins-good,Lachann/gst-plugins-good,veo-labs/gst-plugins-good,GStreamer/gst-plugins-good,matsu/gst-plugins-good,stfl/gst-plugins-good,ariscop/gst-plugins-good,jcaden/gst-plugins-good,rawoul/gst-plugins-good,Lachann/gst-plugins-good,matsu/gst-plugins-good,chamois94/gst-plugins-good,sh0/gst-plugins-good,krad-radio/gstreamer-plugins-good-krad,ylatuya/gst-plugins-good,GrokImageCompression/gst-plugins-good,luisbg/gst-plugins-good,strukturag/gst-plugins-good,StreamUtils/gst-plugins-good,greg80303/gst-plugins-good,sebras/gst-plugins-good,GrokImageCompression/gst-plugins-good,vatavuserban/gst-plugins-good,an146/gst-plugins-good,davibe/gst-plugins-good,surround-io/gst-plugins-good,rawoul/gst-plugins-good,pexip/gst-plugins-good,luisbg/gst-plugins-good,greg80303/gst-plugins-good,rikaunite/gst-opera_gst-plugins-good,freedesktop-unofficial-mirror/gstreamer-sdk__gst-plugins-good,kittee/gst-plugins-good,ndufresne/gst-plugins-good,reynaldo-samsung/gst-plugins-good,surround-io/gst-plugins-good,Kurento/gst-plugins-good,offlinehacker/gst-plugins-good,Lachann/gst-plugins-good,jpakkane/gstreamer-plugins-good