factor device pixel ratio into downloaded image size
scale image sizes depending on pixel ratio
Merge pull request #826 from timhobbs/upstream-master

Added notification list page
Merge branch 'master' of https://github.com/MediaBrowser/MediaBrowser
resize library buttons
handle overview stripping
updated nuget
add more channel feature reporting
update notification styles
Notifications list updates

Conflicts:
	MediaBrowser.WebDashboard/dashboard-ui/notificationlist.html