updated build.cmd to fetch nuget.core
updated build.cmd to fetch nuget.core

mrinaldi/Paket,mavnn/NullKill,thinkbeforecoding/Paket,pblasucci/MessageRouter,Eleven19/SSISClient,toburger/FSharp.Json,kjellski/Paket,jeremyabbott/doctoralsurvey,lexarchik/Paket,ovatsus/Paket,artur-s/Paket,Stift/Paket,fjoppe/FsYamlParser,giacomociti/AntaniXml,konste/Paket,Vidarls/ProjectScaffold,inosik/Paket,robertpi/Paket,robertpi/Paket,colinbull/Paket,snowcrazed/Paket,nhsevidence/ld-bnf,thinkbeforecoding/Paket,jeremyabbott/doctoralsurvey,matthid/Paket,LexxFedoroff/Paket,matthid/Paket,ed-ilyin/EdIlyin.FSharp.Elm.Core,0x53A/Paket,fsprojects/Paket,Eleven19/SSISManagement,MorganPersson/Paket,Eleven19/SSISManagement,vbfox/Paket,lexarchik/Paket,codehutch/pg3d,NaseUkolyCZ/ProjectScaffoldWithApps,jeremyabbott/doctoralsurvey,nhsevidence/ld-bnf,ovatsus/Paket,Eleven19/SSISClient,matthid/Paket,Thorium/Paket,MorganPersson/Paket,antymon4o/Paket,theimowski/FsPrimo,vbfox/Paket,willryan/TimestampedJsonLogFilter,baronfel/mongomigrator,dedale/Paket,mausch/Paket,cloudRoutine/Paket,vasily-kirichenko/Paket,lexarchik/Paket,Stift/Paket,snowcrazed/Paket,DamianReeves/Incubation,Stift/Paket,konste/Paket,vbfox/Paket,0x53A/Paket,DamianReeves/Kollege,mavnn/Paket,sergey-tihon/Paket,LexxFedoroff/Paket,NaseUkolyCZ/ProjectScaffoldWithApps,robertpi/Paket,bmuk/bmuk.io,jonathankarsh/Paket,codehutch/pg3d,NatElkins/Paket,codehutch/pg3d,snowcrazed/Paket,jeremyabbott/doctoralsurvey,isaacabraham/Paket,jeremyabbott/doctoralsurvey,steego/Steego.Demo,robertpi/caffe.clr.demo,baronfel/mongomigrator,mexx/Paket,cloudRoutine/Paket,simonhdickson/Paket,ctaggart/Paket,mrinaldi/Paket,blazey/blazey.substituter,robertpi/Paket,dnauck/AspSQLProvider,simonhdickson/Paket,hodzanassredin/NFastText,cloudRoutine/Paket,giacomociti/AntaniXml,mktange/PathProvider,pblasucci/MessageRouter,ctaggart/Paket,mastoj/FSourcing,bigjonroberts/Flurl.fs,bradphelan/majk,MorganPersson/Paket,baronfel/Paket,baronfel/Paket,cloudRoutine/Paket,isaacabraham/Paket,NatElkins/Paket,mavnn/Paket,fsprojects/ProjectScaffold,dnauck/AspSQLProvider,mausch/Paket,neoeinstein/FSharp.RestApiProviders,artur-s/Paket,jam40jeff/Paket,ccozianu/XTestFSharp1,steego/Steego.Demo,QuickenLoans/MessageRouter,sideeffffect/ProjectScaffold,NatElkins/Paket,devboy/Paket,markstownsend/edna,simonhdickson/Paket,jsparkes/ProjectScaffold,smkell/fsfbl,steego/Steego.Demo,antymon4o/Paket,drzoidb3rg/FSharpTemplate,jonathankarsh/Paket,Eleven19/SSISClient,matthid/ProjectScaffold,NaseUkolyCZ/ProjectScaffoldWithApps,magicmonty/Paket,baronfel/mongomigrator,hodzanassredin/TransAlt,fsprojects/ProjectScaffold,modulexcite/ProjectScaffold,DamianReeves/Kollege,QuickenLoans/MessageRouter,sergey-tihon/Paket,vbfox/Paket,lexarchik/Paket,enricosada/ProjectScaffold,halcwb/ProjectScaffold,devboy/Paket,willryan/Fakeish,NatElkins/Paket,sideeffffect/ProjectScaffold,0x53A/Paket,thinkbeforecoding/Paket,hodzanassredin/NFastText,gsvgit/ProjectScaffold,ascjones/Paket,YaccConstructor/ProjectScaffold,inosik/Paket,mavnn/NullKill,snowcrazed/Paket,mktange/PathProvider,Stift/Paket,fjoppe/Legivel,jeroldhaas/ProjectScaffold,magicmonty/Paket,theimowski/Paket,fsprojects/Paket,thinkbeforecoding/Paket,colinbull/Paket,DamianReeves/Incubation,theimowski/Paket,enricosada/ProjectScaffold,Thorium/Paket,MorganPersson/Paket,eiriktsarpalis/progfsharp2015,isaacabraham/Paket,mrinaldi/Paket,dedale/Paket,terjetyl/ModulusCalculator2,ascjones/Paket,ovatsus/FSharp.ProjectScaffold,blazey/blazey.substituter,matthid/Paket,Thorium/Paket,fjoppe/Legivel,Thorium/Paket,NaseUkolyCZ/ProjectScaffoldWithApps,0x53A/Paket,mrinaldi/Paket,betgenius/Paket,isaacabraham/Paket,magicmonty/Paket,NaseUkolyCZ/ProjectScaffoldWithApps,vasily-kirichenko/Paket,simonhdickson/Paket,jam40jeff/Paket,betgenius/Paket,magicmonty/Paket,kjellski/Paket,rneatherway/ProjectScaffold,mexx/Paket