fixed timeout tests. socket.error has no errno in py 2.5
fixed timeout tests. socket.error has no errno in py 2.5

Anderson0026/mapproxy,camptocamp/mapproxy,camptocamp/mapproxy,kaiCu/mapproxy,drnextgis/mapproxy,mapproxy/mapproxy,vrsource/mapproxy,Anderson0026/mapproxy,faegi/mapproxy,procrastinatio/mapproxy,olt/mapproxy,faegi/mapproxy,geoadmin/mapproxy,olt/mapproxy,vrsource/mapproxy,procrastinatio/mapproxy,kaiCu/mapproxy,mapproxy/mapproxy,geoadmin/mapproxy,drnextgis/mapproxy