Add first-class IAppSettings AppSettings to AppHost, HostContext, and Razor base ViewPage
Auto register AppSettings in IOC if doesn't already exist
Make RedisServerEventTests explicit for now
Don't send onConnect msg until connectionInfo is saved.
Add `bool Exists()` to IAppSettings
Add ISettingsWriter interface for ISettings providers that support writable settings
Update dlls
Add Set operation to IAppSettings, use shadow cache for read-only ISettings
Merge pull request #939 from specimen151/master

HTTP 201 Created includes content (DTO) for other formats than HTML, so ...
Tweak swagger
Change default paramType for non HTTP Body request to 'query'
Add Channel to ServerEventsClient
Add test for setters on Receivers
Change IContainerAdapter to inherit IResolver's TryResolve<T>
remove unnecessary comment