Numeric values always omit norms (boosting), regardless of the config…

…uration set, closes #1020.

modules/elasticsearch/src/main/java/org/elasticsearch/index/mapper/core/NumberFieldMapper.java

@@ -228,7 +228,7 @@ public CustomNumericField(NumberFieldMapper mapper, byte[] value) {
             isIndexed = mapper.indexed();
             isTokenized = mapper.indexed();
             omitTermFreqAndPositions = true;
-            omitNorms = true;
+            omitNorms = mapper.omitNorms();
 
             if (value != null) {
                 isStored = true;