#86: Add help text for the caption of Featured Content to give char limit.
#87: In the Person content type, when adding a Headshot, the Library tab does not show up.
Merge branch 'feature/86'
Merge branch 'feature/87'
Added fieldable_panels_panes module
Added Person List entity
Featurized the person list fpp
rm directory list view
Merge branch 'feature/28-people-list'
Added impact articles pane
Forgot an impact field instance
Added testimonial fieldable panel pane
Merge branch 'feature/44-impact-list'