* Update docs/submodules/apex from branch 'master'
- docs: fix default password and yum.repo.d
- password for root in debug mode is defined in DEBUG_OVERCLOUD_PW
document has to be updated
- '/etc/yum.repo.d' is the right yum repo directory in Cent OS 7
Change-Id: Ia97e3878bd30d562bd3c3b7776e80440b20a4111
Signed-off-by: Ryota MIBU <r-mibu@cq.jp.nec.com>
-Subproject commit 26b194b287340d4469bfcef0aaa5aacbd36c2dca
+Subproject commit 5e958e5488338dca587e9ed1b694c1719939d739