Updated git submodules

Project: integration/devtool beijing 39d73bc539d9f3e72e167a51a6fecf58e04265ac

Core of ONAP offline installer

Seed code for ONAP offline installer. This includes core
of the installer without downloading parts. Those will
come in subsequent commits.

Change-Id: I0d5c8c3c8c911ae11a0e558d5df94b6889af4435
Signed-off-by: Michal Ptacek <m.ptacek@partner.samsung.com>
Signed-off-by: Samuli Silvius <s.silvius@partner.samsung.com>
Issue-ID: INT-691

diff --git a/docs/submodules/integration/devtool.git b/docs/submodules/integration/devtool.git
index 0d41bc4..39d73bc 160000 (submodule)
--- a/docs/submodules/integration/devtool.git
+++ b/docs/submodules/integration/devtool.git
@@ -1 +1 @@
-Subproject commit 0d41bc49d18ebf126faa9a709dbe59b2bccc8ee1
+Subproject commit 39d73bc539d9f3e72e167a51a6fecf58e04265ac