OPAC: Minor adjustments to new OPAC layout and wording

OPAC: Minor adjustments to new OPAC layout and wording

- Tightened up white space and shading around search box
- Added title and help tip to the search results facets
- Wording on login modal and form
- Wording on basic search form
- Wording on password reset form
- Record page: Changed size of section headers, fixed layout of Holds block
- Record page copy table: Hide due date column, add link to

Signed-off-by: Terran McCanna <tmccanna@georgialibraries.org>