build/build.ps1: Changed InstallSDK to install .NET Core SDK 1.0.4 (which corresponds to the runtime 1.0.5)
build/build.ps1: Changed InstallSDK to install .NET Core SDK 1.0.4 (which corresponds to the runtime 1.0.5)

jeme/lucenenet,apache/lucenenet,laimis/lucenenet,apache/lucenenet,jeme/lucenenet,laimis/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,sisve/lucenenet,apache/lucenenet,NightOwl888/lucenenet,jeme/lucenenet,NightOwl888/lucenenet,apache/lucenenet,sisve/lucenenet