Small fixes and remove old cqi_over_socketio interface

app/static/js/CorpusAnalysis/CorpusAnalysisConcordance.js

@@ -237,7 +237,7 @@ class CorpusAnalysisConcordance {
             app.flash('No matches selected', 'error');
             return;
           }
-          promise = subcorpus.o.partial_export([...subcorpus.selectedItems], 50);
+          promise = subcorpus.o.partialExport([...subcorpus.selectedItems], 50);
         } else {
           promise = subcorpus.o.export(50);
         }