KorAP-querySerialization independent from 
- KorAP-PoliqarpParser
- KorAP-AnnisParser
- KorAP-Cosmas2Parser
- KorAP-lucene-index

grammars integrated into querySerialization

still depends on KorAP-Entities (e.g. JsonUtils used in QuerySerializer and CollectionQueryBuilder)
diff --git a/src/test/java/AqlTreeTest.java b/src/test/java/AqlTreeTest.java
index a65d2b1..77d9ec5 100644
--- a/src/test/java/AqlTreeTest.java
+++ b/src/test/java/AqlTreeTest.java
@@ -10,7 +10,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 
 import de.ids_mannheim.korap.query.serialize.QuerySerializer;
-import de.ids_mannheim.korap.util.QueryException;
+import de.ids_mannheim.korap.query.serialize.util.QueryException;
 
 /**
  * Tests for JSON-LD serialization of ANNIS QL queries.