server-side infrastructure for notifications index page
- added PagedList nuget
- added some repository extensions for notifications
- added skeleton for notifications querying from repo
added notification viewmodel
adding some more basic html markup and fleshing everything out a bit further
added icon to normal header for notifications
working version of mark as read
explicitly query for unread count
refactored js a bit
clean up notification page js a bit more... forgot to decrement counter for removes on the view all filter
fixing typo in notification sound id