Fixed a bug that didn't allow satellite packages to be installed properly
Merge pull request #21 from gonzalezjj/master

Fixed a bug that didn't allow satellite packages to be installed properl...
Update build script to accept version info from AppVeyor.
Use nunit-console.exe on PATH when building in AppVeyor.
Move sln file to top level. Use Ciao for integrated builds.
Avoid NRE and cast exception
No need to call items.Clear() on every iteration
Use the TaskAsync variant of the method
Pass the cancellation token
DownloadFileTaskAsync does not use DownloadFileCompleted event.
Merge branch 'master' into self-host