Adding sort switch in FolderPagedView

> Adding options column in DB to store generation purpose flags
> Storing isSorted flag in FolderInfo
> Adding a switch for A-Z sorting (only visible if pageCount > 1)
> When in sorted mode, spring-load snaps to the target location for 1.5 seconds

Change-Id: I8c7c778d2cc3ccbd35a2890a1a705e1c1a7e9a66