Improve how screen readers handle remove button in advanced search multiselects

See merge request !177

Resolve "OCR: Advanced search magnification issues"

See merge request !176

Resolve "OCR: Search fields are missing programmatically associated labels."

See merge request !175

Merge branch '139-ocr-the-main-search-field-within-the-site-is-missing-a-visually-persistent-label' into 'main'

Resolve "OCR: The main search field within the site is missing a visually persistent label."

See merge request !174

Resolve "OCR: Magnification up to 400% requires scrolling in two dimensions."

See merge request !172

Resolve "OCR: Homepage - Link text could be improved"

See merge request !173

Resolve "Add thumbnail URL (or equivalent info) to API"

See merge request !170

Restore dry-run mode for static pages script

See merge request !169

Resolve "OCR: Help: Videos are missing accessible titles."

See merge request !168

Merge branch '140-ocr-the-state-of-the-select-counties-by-region-buttons-are-not-accessible-via-screen-reader' into 'main'

Resolve "OCR: The state of the Select Counties by Region buttons are not accessible via screen reader."

See merge request !167

Resolve "Remove header/footer fragment caching"

See merge request !166

Resolve "Remove "upgrade" banner"

See merge request !165

Resolve "Remove "upgrade" banner"

See merge request !164

Resolve "Maintenance banner"

See merge request !162

Resolve "Clearer delineation for "Refine Search" form"

See merge request !161

Clear cache *after* restarting apache on deploy

See merge request !160

Resolve "Remove Publication Dates from OpenONI"

See merge request !158

Resolve "Remove Banner"

See merge request !159