Use release configuration in appveyor
Use release configuration in appveyor

bdgza/DotSpatial,DotSpatial/DotSpatial,pergerch/DotSpatial,CGX-GROUP/DotSpatial,DotSpatial/DotSpatial,donogst/DotSpatial,pergerch/DotSpatial,swsglobal/DotSpatial,pedwik/DotSpatial,donogst/DotSpatial,pergerch/DotSpatial,pedwik/DotSpatial,bdgza/DotSpatial,JasminMarinelli/DotSpatial,CGX-GROUP/DotSpatial,DotSpatial/DotSpatial,JasminMarinelli/DotSpatial,bdgza/DotSpatial,CGX-GROUP/DotSpatial,pedwik/DotSpatial,swsglobal/DotSpatial,donogst/DotSpatial,swsglobal/DotSpatial,JasminMarinelli/DotSpatial