created IWebSocketListener
Merge branch 'master' of https://github.com/MediaBrowser/MediaBrowser

Conflicts:
	MediaBrowser.ServerApplication/CorePlugins/MediaBrowser.Api.dll
	MediaBrowser.ServerApplication/CorePlugins/MediaBrowser.ApiInteraction.Javascript.dll
	MediaBrowser.ServerApplication/CorePlugins/MediaBrowser.Server.Sqlite.dll
	MediaBrowser.ServerApplication/CorePlugins/MediaBrowser.Server.WorldWeatherOnline.dll
	MediaBrowser.ServerApplication/CorePlugins/MediaBrowser.WebDashboard.dll