[releng] add the genmodel in the soa jar to ease extending the metamodel

Author: vrichard12

models/soa/plugins/org.obeonetwork.dsl.soa/build.properties

@@ -13,7 +13,7 @@ bin.includes = .,\
                META-INF/,\
                plugin.xml,\
                plugin.properties,\
-               model/soa.ecore
+               model/
 jars.compile.order = .
 source.. = src/
 output.. = bin/