[PATCH] Use the new way of building static facets if such facets exist else ignore this way

[Wald Commits]

# HG changeset patch
# User Raimund Renkert <rrenkert at intevation.de>
# Date 1400496470 -7200
# Node ID 49daff6c11ca52366f77fd12e9ca6806c937d60f
# Parent  9c118aeec992846c3da321b8c56758cc18e4fbac
Use the new way of building static facets if such facets exist else ignore this way.

Makes loading of datacage facets work again!

diff -r 9c118aeec992 -r 49daff6c11ca artifacts/src/main/java/org/dive4elements/river/artifacts/D4EArtifact.java
--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/D4EArtifact.java	Fri May 16 18:50:56 2014 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/D4EArtifact.java	Mon May 19 12:47:50 2014 +0200
@@ -210,7 +210,9 @@
 
         handleInitModel(data, context, callMeta);
 
-        buildStaticFacets(data, facets, callMeta);
+        if (!facets.isEmpty()) {
+            buildStaticFacets(data, facets, callMeta);
+        }
 
         filterFacets = buildFilterFacets(data);