Removed erroneous comments.
Progress on VUFIND-729 (Additional options for batch-import-marc.sh and batch-import-marc-auth.sh).
Removed unused property.
Updated SolrAuthorFacets to use new search backend.
Fixed bugs related to moving logic from __construct() to init().
Merge branch 'master' into search-refactor
Cleaner mechanism for disabling spellcheck in SolrAuthorFacets.