update CHANGES w.r.t. extraction
update CHANGES w.r.t. extraction

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@13518 85f007b7-540e-0410-9357-904b9bb8a0f7

ale-f/coq,Zimmi48/coq,coq/coq,letouzey/coq-wip,JasonGross/coq,ale-f/coq,mattam82/coq,maximedenes/coq,asr/coq,tomprince/coq,mattam82/coq,Matafou/coq,herbelin/github-coq,jhjourdan/coq,SkySkimmer/coq,silene/coq,jpdeplaix/coq,ejgallego/coq,maximedenes/coq,jpdeplaix/coq,TheTypoMaster/coq,shindere/coq,asr/coq,TheTypoMaster/coq,amintimany/coq,shindere/coq,pirapira/coq2rust,letouzey/coq-wip,ppedrot/coq,tomprince/coq,Lionel-Rieg/coq,pirbo/coq,TOSPIO/coq,mlasson/coq,mlasson/coq,jhjourdan/coq,amintimany/coq,Lionel-Rieg/coq,silene/coq,SkySkimmer/coq,ejgallego/coq,letouzey/coq-wip,Zimmi48/coq,JasonGross/coq,shindere/coq,pirbo/coq,pirapira/coq2rust,Ptival/coq,tomprince/coq,mlasson/coq,asr/coq,barras/coq,amintimany/coq,barras/coq,mattam82/Coq-misc,silene/coq,herbelin/github-coq,gmalecha/coq,aspiwack/coq,mattam82/Coq-misc,ejgallego/coq,8l/coq,Ptival/coq,gares/coq,herbelin/coq-hh,aspiwack/coq,TheTypoMaster/coq,ejgallego/coq,maximedenes/coq,SkySkimmer/coq,8l/coq,william-lawvere/coq,Ptival/coq,pirbo/coq,herbelin/github-coq,coq/coq,gares/coq,TOSPIO/coq,william-lawvere/coq,gmalecha/coq,coq/coq,barras/coq,JasonGross/coq,mattam82/coq,maximedenes/coq,Lionel-Rieg/coq,JasonGross/coq,aspiwack/coq,pirapira/coq2rust,herbelin/coq-hh,gares/coq,jpdeplaix/coq,gmalecha/coq,8l/coq,SkySkimmer/coq,ppedrot/coq,ppedrot/coq,ppedrot/coq,william-lawvere/coq,letouzey/coq-wip,gares/coq,Zimmi48/coq,ppedrot/coq,ale-f/coq,Zimmi48/coq,Matafou/coq,gares/coq,letouzey/coq-wip,Matafou/coq,jhjourdan/coq,TOSPIO/coq,maximedenes/coq,coq/coq