Make other membership field configurable.

Also, change how the filter gets built.
Alter rendering of collections, to use Solr directly.
Merge branch '7.x' of git://github.com/discoverygarden/manidora into 7.x

Conflicts:
	manidora.module
Set breadcrumbs.
Merge pull request #39 from adam-vessey/7.x

Change rendering of collection object.