tree a78e97562fc64c6020c8c57bd49188693cced931
parent a2b33530541c697054e36deef1459675535a08f5
author Dai Dang Van <daidv@vn.fujitsu.com> 1508292703 +0700
committer Dai Dang Van <daidv@vn.fujitsu.com> 1508292862 +0700

Use generic user for both zuul v2 and v3

Zuul v2 uses 'jenkins' as user, but Zuul v3 uses 'zuul'.
Using $USER solves it for both cases.

Change-Id: I985d0c0bf29218cf503948a62e08b7c604a1000d