Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Passing deploy_dir through to create_vm

    Change-Id: I07a1c899d43c5edf1054fc819fff4336d9b3ed16
    Signed-off-by: Dan Radez <dradez@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index 2af337a..614d9d9 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit 2af337a7d3a26a034a94f3698b1b1b3512d2c135
+Subproject commit 614d9d9b9f242a7a55fb3963395f4a5fe3edb8fe