Update git submodules

* Update docs/submodules/storperf from branch 'master'
  - Adding domain to authentication

    Adds domain if present in environment variables to user and project

    Change-Id: I05fca2fbdeef4fa985bfb505f9158ce31da5ab9c
    JIRA: STORPERF-127
    Signed-off-by: mbeierl <mark.beierl@dell.com>

diff --git a/docs/submodules/storperf b/docs/submodules/storperf
index 60ffe3f..9917119 160000 (submodule)
--- a/docs/submodules/storperf
+++ b/docs/submodules/storperf
@@ -1 +1 @@
-Subproject commit 60ffe3f74c0df89b5fef3c45770db63922555970
+Subproject commit 99171196e616d0c24568246b4c8d4b1a76f92660