Update CHANGELOG for Cayuga release
Update CHANGELOG for Cayuga release

Change-Id: If6f20553159105c05f9a684cb7c8f3778c7894a1

rikaunite/gst-opera_libvpx,mwgoldsmith/libvpx,matanbs/webm.libvpx,stewnorriss/libvpx,Maria1099/webm.libvpx,abwiz0086/webm.libvpx,sanyaade-teachings/libvpx,n4t/libvpx,running770/libvpx,kalli123/webm.libvpx,altogother/webm.libvpx,matanbs/vp982,n4t/libvpx,jdm/libvpx,Acidburn0zzz/webm.libvpx,matanbs/vp982,pcwalton/libvpx,shacklettbp/aom,kim42083/webm.libvpx,Acidburn0zzz/webm.libvpx,genesi/libvpx0,kalli123/webm.libvpx,matanbs/webm.libvpx,goodleixiao/vpx,kleopatra999/webm.libvpx,felipebetancur/libvpx,pcwalton/libvpx,stewnorriss/libvpx,shyamalschandra/libvpx,mwgoldsmith/libvpx,mwgoldsmith/libvpx,stewnorriss/libvpx,mbebenita/aom,webmproject/libvpx,kleopatra999/webm.libvpx,turbulenz/libvpx,zofuthan/libvpx,n4t/libvpx,kleopatra999/webm.libvpx,Maria1099/webm.libvpx,shareefalis/libvpx,Acidburn0zzz/webm.libvpx,ShiftMediaProject/libvpx,shyamalschandra/libvpx,gshORTON/webm.libvpx,awatry/libvpx.opencl,stewnorriss/libvpx,webmproject/libvpx,sanyaade-teachings/libvpx,jacklicn/webm.libvpx,awatry/libvpx.opencl,turbulenz/libvpx,iniwf/webm.libvpx,cinema6/libvpx,webmproject/libvpx,genesi/libvpx0,charup/https---github.com-webmproject-libvpx-,VTCSecureLLC/libvpx,GrokImageCompression/aom,matanbs/webm.libvpx,jdm/libvpx,openpeer/libvpx_new,hsueceumd/test_hui,mbebenita/aom,mbebenita/aom,iniwf/webm.libvpx,charup/https---github.com-webmproject-libvpx-,Topopiccione/libvpx,WebRTC-Labs/libvpx,kim42083/webm.libvpx,vasilvv/esvp8,lyx2014/libvpx_c,gshORTON/webm.libvpx,matanbs/vp982,mbebenita/aom,stewnorriss/libvpx,Acidburn0zzz/webm.libvpx,ShiftMediaProject/libvpx,n4t/libvpx,kleopatra999/webm.libvpx,ittiamvpx/libvpx-1,vasilvv/esvp8,matanbs/webm.libvpx,genesi/libvpx0,smarter/aom,Distrotech/libvpx,Maria1099/webm.libvpx,Suvarna1488/webm.libvpx,abwiz0086/webm.libvpx,kalli123/webm.libvpx,thdav/aom,webmproject/libvpx,ittiamvpx/libvpx,ittiamvpx/libvpx-1,matanbs/webm.libvpx,thdav/aom,Laknot/libvpx,ShiftMediaProject/libvpx,Suvarna1488/webm.libvpx,jdm/libvpx,Distrotech/libvpx,Acidburn0zzz/webm.libvpx,smarter/aom,turbulenz/libvpx,stewnorriss/libvpx,Distrotech/libvpx,liqianggao/libvpx,cinema6/libvpx,sanyaade-teachings/libvpx,jmvalin/aom,ittiamvpx/libvpx-1,pcwalton/libvpx,lyx2014/libvpx_c,cinema6/libvpx,abwiz0086/webm.libvpx,VTCSecureLLC/libvpx,vasilvv/esvp8,turbulenz/libvpx,gshORTON/webm.libvpx,hsueceumd/test_hui,goodleixiao/vpx,pcwalton/libvpx,Topopiccione/libvpx,goodleixiao/vpx,turbulenz/libvpx,felipebetancur/libvpx,Topopiccione/libvpx,GrokImageCompression/aom,openpeer/libvpx_new,mbebenita/aom,kim42083/webm.libvpx,smarter/aom,mwgoldsmith/vpx,felipebetancur/libvpx,rikaunite/gst-opera_libvpx,VTCSecureLLC/libvpx,charup/https---github.com-webmproject-libvpx-,mbebenita/aom,kleopatra999/webm.libvpx,mwgoldsmith/libvpx,Laknot/libvpx,reimaginemedia/webm.libvpx,cinema6/libvpx,Laknot/libvpx,openpeer/libvpx_new,shacklettbp/aom,charup/https---github.com-webmproject-libvpx-,Laknot/libvpx,Distrotech/libvpx,zofuthan/libvpx,hsueceumd/test_hui,smarter/aom,mwgoldsmith/vpx,liqianggao/libvpx,Maria1099/webm.libvpx,iniwf/webm.libvpx,luctrudeau/aom,hsueceumd/test_hui,kleopatra999/webm.libvpx,GrokImageCompression/aom,kim42083/webm.libvpx,thdav/aom,ittiamvpx/libvpx,WebRTC-Labs/libvpx,shacklettbp/aom,jacklicn/webm.libvpx,zofuthan/libvpx,running770/libvpx,gshORTON/webm.libvpx,Suvarna1488/webm.libvpx,Distrotech/libvpx,thdav/aom,gshORTON/webm.libvpx,thdav/aom,shareefalis/libvpx,mbebenita/aom,openpeer/libvpx_new,Suvarna1488/webm.libvpx,ittiamvpx/libvpx,mbebenita/aom,shyamalschandra/libvpx,goodleixiao/vpx,jdm/libvpx,VTCSecureLLC/libvpx,goodleixiao/vpx,awatry/libvpx.opencl,ShiftMediaProject/libvpx,vasilvv/esvp8,Suvarna1488/webm.libvpx,ittiamvpx/libvpx,mwgoldsmith/vpx,running770/libvpx,sanyaade-teachings/libvpx,Topopiccione/libvpx,lyx2014/libvpx_c,lyx2014/libvpx_c,altogother/webm.libvpx,ittiamvpx/libvpx-1,altogother/webm.libvpx,GrokImageCompression/aom,reimaginemedia/webm.libvpx,running770/libvpx,charup/https---github.com-webmproject-libvpx-,felipebetancur/libvpx,rikaunite/gst-opera_libvpx,Distrotech/libvpx,rikaunite/gst-opera_libvpx,matanbs/vp982,genesi/libvpx0,charup/https---github.com-webmproject-libvpx-,kalli123/webm.libvpx,cinema6/libvpx,Topopiccione/libvpx,mwgoldsmith/vpx,running770/libvpx,goodleixiao/vpx,altogother/webm.libvpx,jmvalin/aom,iniwf/webm.libvpx,kim42083/webm.libvpx,altogother/webm.libvpx,turbulenz/libvpx,iniwf/webm.libvpx,mwgoldsmith/vpx,luctrudeau/aom,ittiamvpx/libvpx-1,Topopiccione/libvpx,jmvalin/aom,webmproject/libvpx,abwiz0086/webm.libvpx,webmproject/libvpx,jacklicn/webm.libvpx,matanbs/webm.libvpx,turbulenz/libvpx,iniwf/webm.libvpx,zofuthan/libvpx,mwgoldsmith/libvpx,GrokImageCompression/aom,zofuthan/libvpx,Laknot/libvpx,reimaginemedia/webm.libvpx,jmvalin/aom,liqianggao/libvpx,abwiz0086/webm.libvpx,gshORTON/webm.libvpx,lyx2014/libvpx_c,WebRTC-Labs/libvpx,kalli123/webm.libvpx,GrokImageCompression/aom,smarter/aom,Maria1099/webm.libvpx,mwgoldsmith/vpx,running770/libvpx,VTCSecureLLC/libvpx,genesi/libvpx0,liqianggao/libvpx,reimaginemedia/webm.libvpx,kim42083/webm.libvpx,matanbs/vp982,Laknot/libvpx,jmvalin/aom,liqianggao/libvpx,reimaginemedia/webm.libvpx,luctrudeau/aom,WebRTC-Labs/libvpx,matanbs/vp982,jacklicn/webm.libvpx,jacklicn/webm.libvpx,turbulenz/libvpx,jdm/libvpx,luctrudeau/aom,cinema6/libvpx,thdav/aom,VTCSecureLLC/libvpx,mbebenita/aom,matanbs/vp982,WebRTC-Labs/libvpx,rikaunite/gst-opera_libvpx,shacklettbp/aom,altogother/webm.libvpx,shareefalis/libvpx,Acidburn0zzz/webm.libvpx,Suvarna1488/webm.libvpx,jacklicn/webm.libvpx,openpeer/libvpx_new,smarter/aom,shareefalis/libvpx,sanyaade-teachings/libvpx,cinema6/libvpx,luctrudeau/aom,shareefalis/libvpx,hsueceumd/test_hui,shacklettbp/aom,jdm/libvpx,genesi/libvpx0,ittiamvpx/libvpx,zofuthan/libvpx,felipebetancur/libvpx,awatry/libvpx.opencl,pcwalton/libvpx,turbulenz/libvpx,pcwalton/libvpx,reimaginemedia/webm.libvpx,shareefalis/libvpx,shyamalschandra/libvpx,liqianggao/libvpx,vasilvv/esvp8,Maria1099/webm.libvpx,vasilvv/esvp8,mwgoldsmith/libvpx,kalli123/webm.libvpx,shyamalschandra/libvpx,lyx2014/libvpx_c,luctrudeau/aom,hsueceumd/test_hui,felipebetancur/libvpx,vasilvv/esvp8,abwiz0086/webm.libvpx,jmvalin/aom,ShiftMediaProject/libvpx,openpeer/libvpx_new,ittiamvpx/libvpx,shacklettbp/aom,n4t/libvpx,shyamalschandra/libvpx,ittiamvpx/libvpx-1