bumping the nuget version to 0.8.6
bumping the nuget version to 0.8.6

tim-cools/Marten,JasperFx/Marten,jokokko/marten,ericgreenmix/marten,ericgreenmix/marten,jmbledsoe/marten,tim-cools/Marten,jmbledsoe/marten,mysticmind/marten,jokokko/marten,JasperFx/Marten,jamesfarrer/marten,jokokko/marten,ericgreenmix/marten,jamesfarrer/marten,jamesfarrer/marten,jokokko/marten,mysticmind/marten,jmbledsoe/marten,tim-cools/Marten,jmbledsoe/marten,ericgreenmix/marten,mdissel/Marten,mysticmind/marten,jamesfarrer/marten,JasperFx/Marten,mysticmind/marten,mdissel/Marten,jmbledsoe/marten,jokokko/marten