#3166 Adds helper variable for Shipment Form Prevent Old People Submit
Adds subtitle, cover image to cause, issue, action type
Refs #3159 - Begins taxonomy term tpl
Output subtitle field markup, add banner to tpl
Dont render header variable for taxonomy term
Adds cover image inline css
Merge pull request #3180 from aaronschachter/term_fields

Taxonomy fields: Subtitle and Cover Image
Merge pull request #3167 from aaronschachter/3166-old-ppl

Shipment Form - Conditionally prevent Old People from submitting
Merge pull request #3181 from aaronschachter/term_tpl

Taxonomy term template