Added licence to source features and moved source features to separate category

de.itemis.gmf.utils/features/de.itemis.gmf.runtime.commons-feature/build.properties

@@ -3,6 +3,4 @@ bin.includes = feature.xml,\
                feature.properties,\
                license.html
 src.includes = epl-v10.html,\
-               feature.properties,\
-               feature.xml,\
                license.html