Work on boxes for filtering publications.
Work on "filter publications by type" widget and view.
Work on publication_type view.
Add "Publications" to available post types in taxonomy widget.
Work on "filter by author" widget.
Add view tabs for os_publications app info.
More work.
Add filtering by group to os_publications_issued.
Removed unused view and fix typo.
Add relationship to os_piblications_issued view.
Add relationship to publication_types view.
Fix machine name.
More work and fixes.
Fix.
Remove notice.
Merge branch '3215' into 4885
Merge branch '3215' into 4885
Fix comments.
Fix view for filtering by type.
Merge pull request #4934 from openscholar/4885

Add boxes for filtering publications