changes to OPAC results and detail XSLT

changes to OPAC results and detail XSLT

Various changes to OPAC search results and bib
detail display for MARC21.

* Search results

[1] 245 subfields will be displayed in order $a, $b, $h, then
    rest of subfields in the order they appear in the record.
[2] New edition field from 250$a, displayed under author
[3] New other title field from 246$a$b, displayed under call number

* Bib details

[1] 245 subfields will be displayed in order $a, $b, $h, then
    rest of subfields in the order they appear in the record.
[2] New edition field from 250$a$b, displayed under publisher
[3] New description field from 300$a$b$c$e$g, under the edition.
[4] New other title field from the 246$i$a$b$h$f$g$n$p, above the
    uniform title field.
[6] All 6XX fields are displayed in the subjects field.
[7] '--' now separates subdivisions in subject headings.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>
Signed-off-by: Henri-Damien LAURENT <henridamien.laurent@biblibre.com>