Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - fix an error in the ci script

    Error: No such container: storage_qtip_.[1]

    [1] https://build.opnfv.org/ci/view/qtip/job/qtip-storage-apex-zte-virtual5-master/16/console

    Change-Id: Icaa1e9ad60a2ccf3c02f26340e88811c57512bf9
    Signed-off-by: zhihui wu <wu.zhihui1@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index f798b2a..03db561 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit f798b2aefb73cf8641fa580514c9dc0b8ae7d077
+Subproject commit 03db56111d476465e37a3e005cdd6b9e21fc945f