STANBOL-969 SemanticIndex for enhancements is implemented.

* EnhancementSemanticIndex indexes all enhancements of the submitted ContentItems. These documents can be queried over sparql endpoint of the project.
* Default configuration is added for the creation of the default EnhancementSemanticIndex

git-svn-id: https://svn.apache.org/repos/asf/stanbol/branches/contenthub-two-layered-structure@1453208 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/contenthub/defaults/src/main/resources/config/org.apache.stanbol.contenthub.index.clerezza.EnhancementSemanticIndex-default.config b/contenthub/defaults/src/main/resources/config/org.apache.stanbol.contenthub.index.clerezza.EnhancementSemanticIndex-default.config
new file mode 100644
index 0000000..2ade4aa
--- /dev/null
+++ b/contenthub/defaults/src/main/resources/config/org.apache.stanbol.contenthub.index.clerezza.EnhancementSemanticIndex-default.config
@@ -0,0 +1,6 @@
+Semantic-Index-Name="contenthubEnhancementSemanticIndex"
+Semantic-Index-Description="Default\ instance\ for\ the\ EnhancementSemanticIndex"
+org.apache.stanbol.contenthub.index.AbstractSemanticIndex.batchSize=I"10"
+org.apache.stanbol.contenthub.index.AbstractSemanticIndex.indexingSourceName="contenthubFileStore"
+org.apache.stanbol.contenthub.index.AbstractSemanticIndex.indexingSourceCheckPeriod=I"5"
+service.ranking=I"0"
\ No newline at end of file
diff --git a/contenthub/index/src/main/java/org/apache/stanbol/contenthub/index/clerezza/EnhancementSemanticIndex.java b/contenthub/index/src/main/java/org/apache/stanbol/contenthub/index/clerezza/EnhancementSemanticIndex.java
index 3f20be7..0df7438 100644
--- a/contenthub/index/src/main/java/org/apache/stanbol/contenthub/index/clerezza/EnhancementSemanticIndex.java
+++ b/contenthub/index/src/main/java/org/apache/stanbol/contenthub/index/clerezza/EnhancementSemanticIndex.java
@@ -76,7 +76,7 @@
 
     @Reference
     private TcManager tcManager;
-    
+
     private ServiceRegistration enhancementGraphRegistry;
 
     // URI of the graph documents are indexed or removed