Merge branch 'fix-solr-tokenizer' into 'master'

Do not split the Solr string fields

See merge request !1321

arkindex/documents/indexer_v2.py

@@ -32,7 +32,7 @@ class Indexer(object):
             'name': 'string',
             'class': 'solr.TextField',
             'analyzer': {
-                'tokenizer': {'class': 'solr.WhitespaceTokenizerFactory'},
+                'tokenizer': {'class': 'solr.KeywordTokenizerFactory'},
                 'filters': [{'class': 'solr.LowerCaseFilterFactory'}]
             }
         }