switch SO and UI from fedora to Ubuntu

Signed-off-by: Jeremy Mordkoff <jeremy.mordkoff@riftio.com>
diff --git a/jenkins/SO/start_build b/jenkins/SO/start_build
index ac07fc7..fa1e1c4 100755
--- a/jenkins/SO/start_build
+++ b/jenkins/SO/start_build
@@ -49,7 +49,7 @@
 
 INFO "starting build"
 make clean || FATAL "make clean failed"
-./BUILD.sh
+./BUILD_UB.sh
 
 RC=$?