better logging for connection error on package download
Merge branch 'v0.9' of ssh://git.labs.intellij.net/teamcity/dotNetPackagesSupport into v0.9
copyright updated
fixed TW-34908 - re-implemented packages query builder for v2.8 (used IPackageName.Id property instead of IPackageMetadata.Id)
Merge branch 'v0.9' into v0.10
fixed TW-34684 - implemented nuget installer build step discovery; searching for .nuget directory of packages.config file near .sln files
added more tests for nuget installer runner discovery
filtered already added runners while discovering nuget installer runners
Merge branch 'v0.10' of github.com:JetBrains/teamcity-nuget-support into v0.10