Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "Adds various conveniences for hosters."
  - Adds various conveniences for hosters.

    JIRA: N/A

    Adds documentation, as well as:
    source/stop.sh: stops the pharos listener and any running deployment
    source/deploy.sh: manually starts a deployment on the given host

    Patchset2: improved and updated README

    Change-Id: I918ca3bdf03a32f7a16d851d7ea7ebc968d66720
    Signed-off-by: Parker Berberian <pberberian@iol.unh.edu>

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 1cd91a3..56e74f8 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 1cd91a3788e6b9964e7f88a16a842355c9ee36e2
+Subproject commit 56e74f8f2eafe0cfcc30e1f03a30b02665e3b4f6