Small function renaming, Bookmark struct field to save linkeds
BookmarksFilteredByTagsSortProxyModel filters by BIDs

also changed notion of `allowAllTags` to `allowAllBookmarks` in that
class to reflect general changes.
Also implemented the equivalent function in BookmarksView.
BMEditDlg now populates and shows linked bookmarks
BMEditDlg: Removing linked bookmarks
Added a templated ListDifference utility function

Copied from Util::CaseInsensitiveStringListDifference
This was added in a UtilT class which has templated members.
ALSO fixed a bug with for range in it.
Functions for removing/updating the linked files of a bookmark
BMEditDlg now modifies linked bookmarks list on accept

(no linked bookmark adding implemented yet)
BMEditDlg minor changes.
Change BookmarkView list mode names and behaviour
Implemented QuickBookmarkSelectDialog

without filtering capability for now.
BMEditDlg can now add linked bookmarks too.