Mention recent renaming of files in dev/doc/changes.txt.
Mention recent renaming of files in dev/doc/changes.txt.

Lionel-Rieg/coq,Zimmi48/coq,Ptival/coq,Ptival/coq,ppedrot/coq,coq/coq,maximedenes/coq,Matafou/coq,amintimany/coq,coq/coq,SkySkimmer/coq,ppedrot/coq,letouzey/coq-wip,letouzey/coq-wip,JasonGross/coq,ejgallego/coq,Zimmi48/coq,letouzey/coq-wip,JasonGross/coq,william-lawvere/coq,maximedenes/coq,silene/coq,Lionel-Rieg/coq,ejgallego/coq,ejgallego/coq,Zimmi48/coq,ejgallego/coq,silene/coq,amintimany/coq,JasonGross/coq,Matafou/coq,gares/coq,letouzey/coq-wip,maximedenes/coq,Ptival/coq,gares/coq,ppedrot/coq,ppedrot/coq,gares/coq,SkySkimmer/coq,Zimmi48/coq,maximedenes/coq,coq/coq,coq/coq,william-lawvere/coq,ppedrot/coq,gares/coq,amintimany/coq,SkySkimmer/coq,letouzey/coq-wip,JasonGross/coq,maximedenes/coq,william-lawvere/coq,Lionel-Rieg/coq,SkySkimmer/coq,Matafou/coq,gares/coq,silene/coq