Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Adds Experimental support for Joid"
  - Adds Experimental support for Joid

    JIRA: N/A

    Adds a joid installer object, and needed configuration / scripts.

    Currently, this only works with a no-ha scenario.

    Change-Id: Ib3076d0341e47d3bebe89ae1b22e87547fe3f524
    Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 0034430..1cd91a3 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 00344309639324f4d38245423a0089669c5ce0ab
+Subproject commit 1cd91a3788e6b9964e7f88a16a842355c9ee36e2