added class lib for ExtraProviders
Adding WindowsLive provider class
fixing project references
Added static members to assign URLs for routes
Implemented Windows Live Provider (working/message)
added basic discovery of extra providers
Added Windows Live provider sample
Fixed up Authentication Service to be cleaner
Tidy up Windows Live Provider
updated url to use localtest.me
Merge pull request #26 from phillip-haydon/ProvidersLib

- Added ExtraProviders project + Windows Live provider :kissing_smiling_eyes: