add method to get experiment api from api factory

src/python/dm/ds_web_service/api/dsRestApiFactory.py

@@ -49,6 +49,13 @@ class DsRestApiFactory:
         api = AuthRestApi(username, password, host, port, protocol)
         return api
 
+    @classmethod
+    def getExperimentRestApi(cls):
+        from experimentRestApi import ExperimentRestApi
+        (username, password, host, port, protocol) = cls.__getConfiguration()
+        api = ExperimentRestApi(username, password, host, port, protocol)
+        return api
+
 ####################################################################
 # Testing