As-quickly-as-possible adopt server in app

[zwaldowski]

• [ ] Replace Login functionality with /api/login.
• [ ] Registration triggers /api/register workflow - difficult as hell to test.
• [ ] Allow the in-app Member/User/Admin to be deserialized from the server representation
• [ ] Item submission to server
• [ ] Item provider from server
• [ ] Pagination/infinite scrolling from list
• [ ] Finagle searching into the item request
• [ ] Proper filtering of a list, either in app or by re-requesting link from server

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• [ ] MemberLoginTask