[LIBSEARCH-1042] Update Articles & Catalog medium view

[erinesullivan]

Overview

From LIBSEARCH-1042:

Catalog, medium view:

• Add Summary (after 230 characters, truncate and replace positions 231+ with an ellipsis)
• Add Subjects (LCSH), limited to first 3 results with a “Show all ##” button to display all

Articles, medium view:

• Add Abstract (after 230 characters, truncate and replace positions 231+ with an ellipsis)
• Add Subjects, limited to first 3 results with a “Show all ##” button to display all

This pull request displays the necessary data for the views.

quoted_search3 was chosen for lc_subject_display so the | Browse in subject list link would not appear, as it does not appear for displayed authors in medium view.

The pull request for truncating the new data.