fix bug 534: allow group_id for kafka consumer

Change-Id: I451d271bfca48047d4441347a9aa1969f42c3330
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_common/__init__.py b/osm_common/__init__.py
index 4855fe7..601b140 100644
--- a/osm_common/__init__.py
+++ b/osm_common/__init__.py
@@ -1,2 +1,2 @@
-version = '0.1.5'
-date_version = '2018-05-14'
+version = '0.1.6'
+date_version = '2018-08-31'