appveyor: build non-experimental tasks first
appveyor: build non-experimental tasks first

JasonGross/coq,coq/coq,ejgallego/coq,gares/coq,SkySkimmer/coq,JasonGross/coq,Matafou/coq,silene/coq,SkySkimmer/coq,Zimmi48/coq,letouzey/coq-wip,gares/coq,ejgallego/coq,coq/coq,Zimmi48/coq,letouzey/coq-wip,coq/coq,SkySkimmer/coq,letouzey/coq-wip,letouzey/coq-wip,ppedrot/coq,Zimmi48/coq,ppedrot/coq,JasonGross/coq,ppedrot/coq,gares/coq,gares/coq,gares/coq,maximedenes/coq,ejgallego/coq,SkySkimmer/coq,ppedrot/coq,coq/coq,silene/coq,Matafou/coq,maximedenes/coq,maximedenes/coq,letouzey/coq-wip,silene/coq,ppedrot/coq,maximedenes/coq,ejgallego/coq,maximedenes/coq,Zimmi48/coq,JasonGross/coq,Matafou/coq