TPAC expert search: wrap labelled fields consistently

TPAC expert search: wrap labelled fields consistently

Use a new class "nonbreaking-wrapper" with display:inline-block to keep
label + input fields together, rather than the inline "whitespace:
no-wrap" which did not work on Chrome (and oddly enough forced the value
field to the next line).

Signed-off-by: Dan Scott <dscott@laurentian.ca>
Signed-off-by: Lebbeous Fogle-Weekley <lebbeous@esilibrary.com>
Signed-off-by: Dan Wells <dbw2@calvin.edu>