Added xos-sample-gui-extension project

Change-Id: Ib90c220dc920780d3f329cb9283d6f7406bf097e
diff --git a/default.xml b/default.xml
index 3106d9b..e8d152e 100644
--- a/default.xml
+++ b/default.xml
@@ -46,6 +46,7 @@
 <project path="orchestration/xos_services/vEG" name="vEG" groups="orchestration,services"/>
 
 <project path="orchestration/xos-gui" name="xos-gui" groups="orchestration"/>
+<project path="orchestration/xos-sample-gui-extension" name="xos-sample-gui-extension" groups="orchestration"/>
 <project path="orchestration/xos-rest-gw" name="xos-rest-gw" groups="orchestration"/>
 <project path="orchestration/xos_libraries/ng-xos-lib" name="ng-xos-lib" groups="orchestration,libraries"/>