by slashrsm: Implement thumbnail() on type plugin.
by slashrsm: Fix typo.
by slashrsm: Add library view mode.
by slashrsm: Add form display.
by slashrsm: Reorder fields.
Merge pull request #1 from slashrsm/library_view_mode

Library view mode
Merge pull request #2 from slashrsm/thumbnail

by slashrsm: Implement thumbnail() on type plugin.