Fix incorrect async/await behavior explanation in sample comments (fixes #421)
Remove undesired reference to synchronous extensions documentation
Add external link for async/await overview
Clean up explanation of the single-layer AggregateException guarantee
Json.NET 5.0.8 is unable to (directly) deserialize a null JToken value in the extension dictionary (fixes #419)
Merge pull request #423 from sharwell/fix-419

Json.NET 5 can't handle null values in extension data
Merge pull request #424 from sharwell/fix-421

Fix 421
Updated documentation for BuildDefaultRequestSettings to correctly reflect the default values
Include a Content-Length header with PUT/POST requests that do not include a body (fixes #422)
Fix paths in DeploymentItem attributes in UserObjectStorageTests
Added method to allow for adding a url to the service catalog
Updated documentation and polish for the new OS-KSCATALOG operations
Use Rackspace.KeyReporting package from NuGet instead of duplicating the feature
Merge pull request #427 from sharwell/AddSupportForAddingUrlToServiceCatalog

Preliminary support for OS-KSCATALOG operations
Add special support for IPAddress.None when updating or rebuilding a server (fixes #420)
Merge pull request #428 from sharwell/keyreporting

Use Rackspace.KeyReporting package from NuGet
Merge pull request #425 from sharwell/fix-420

Add special support for IPAddress.None for servers
Merge pull request #426 from sharwell/fix-422

Include a Content-Length header with all PUT/POST requests
Fix incorrect documentation comment
Merge pull request #430 from sharwell/fix-docs

Fix incorrect documentation comment