BF: extend pip timeout to reduce install failures
BF: extend pip timeout to reduce install failures

pip seeming to timeout still; extend timeout.

villalonreina/dipy,StongeEtienne/dipy,mdesco/dipy,matthieudumont/dipy,nilgoyyou/dipy,sinkpoint/dipy,nilgoyyou/dipy,matthieudumont/dipy,jyeatman/dipy,JohnGriffiths/dipy,demianw/dipy,beni55/dipy,jyeatman/dipy,Messaoud-Boudjada/dipy,Messaoud-Boudjada/dipy,FrancoisRheaultUS/dipy,mdesco/dipy,oesteban/dipy,rfdougherty/dipy,oesteban/dipy,beni55/dipy,villalonreina/dipy,FrancoisRheaultUS/dipy,JohnGriffiths/dipy,rfdougherty/dipy,sinkpoint/dipy,demianw/dipy,StongeEtienne/dipy