Use configuration-specific output folders
Remove unnecessary cross-project dependencies
Update NuGet package to include IntelliSense files produced by Sandcastle
Remove unnecessary property groups
Enable reflection cache for one of the documentation projects (must disable parallel build to use in multiple projects)
Add C# sample project
Remove unsupported <paramref> elements within <code> sections
Add C# samples for TaskBlocks.Using
Add initial C# samples for TaskBlocks.While
Add summary documentation for the Rackspace.Threading namespace
Move project resources links to the Welcome page
Update remarks for TaskBlocks.Using to include information about the IAsyncDisposable support
Add Getting Started link to Welcome documentation page
Merge pull request #13 from sharwell/documentation

Documentation
Add missing copyright header
The IProgress<T> interface was not introduced until .NET 4.5
Add the Progress<T> default implementation of IProgress<T>
Merge pull request #14 from sharwell/progress-class

Progress class