Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 7b37235d259400ba180ba81113c2143f5a59b4aa
  - Updating pip packages to newer versions

    As there are some issues with elder versions of some pip packages, this
    list contains actual versions

    Issue-ID: OOM-2118

    Change-Id: I12503480fab8b53c6f0e21aa7fba8d2dd8a3d779
    Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index 0a5a34f..7b37235 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 0a5a34ffe4b6506663a61372998f43657bf81230
+Subproject commit 7b37235d259400ba180ba81113c2143f5a59b4aa