Bring solr schema closer to default. Add sort transform.

These commits bring the solr schema.xml back to being closer in line
with the default configuration than we previously were. Also
incorporates some changes for creating sort fields.

Alters the slurp all mods transform to create sort fields from certain
mods values.
Alters search result display style and change default sort.

Also adds download results as csv.
Update the solr config for new schema.
Set default sort to score
Update islandora solr search to set empty search sort to title
Set default sort to score *desc* this time.
Merge branch 'solr-sort-update' into merge-sort-into-master

Conflicts:
	islandora_solr_search
Merge remote-tracking branch 'remotes/lyrrepo/merge-sort-into-master'

* remotes/lyrrepo/merge-sort-into-master:
  Set default sort to score *desc* this time.
  Update islandora solr search to set empty search sort to title
  Set default sort to score
  Update the solr config for new schema.
  Alters search result display style and change default sort.
  Bring solr schema closer to default. Add sort transform.
Merge remote-tracking branch 'remotes/lyrrepo/master'

* remotes/lyrrepo/master:
  Prevent rewriting Download label for embargoed objects.