Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Add more badges

    - license
    - jenkins
    - jenkins coverage
    - pypi version
    - docker pulls

    Change-Id: I771eaee093a5d4a404470f139a14baa42c1ba736
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index aa27f39..ed593ae 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit aa27f390c9ad6817d2682c4f59594f43c69d614f
+Subproject commit ed593ae626b626889ebe27ab1e91ada253c70aab