Updated git submodules

Project: vnfsdk/model master 020ed5cb7f2d4efedfcc48bbbdf892043adbfec1

Keep the pkgtools documentation up-to-date

1. Add the new parameters for pkgtools CLI.

2. Add a new method of installation of pkgtools CLI.

3. Add git-review configuartion files and correct files' mode.

Issue-ID: VNFSDK-102

Change-Id: I7e45d9936efb369153e46849e9227516dd2d3639
Signed-off-by: Lianhao Lu <lianhao.lu@intel.com>

diff --git a/docs/submodules/vnfsdk/model.git b/docs/submodules/vnfsdk/model.git
index 2edcb8b..020ed5c 160000 (submodule)
--- a/docs/submodules/vnfsdk/model.git
+++ b/docs/submodules/vnfsdk/model.git
@@ -1 +1 @@
-Subproject commit 2edcb8b3b55f8df976c5b9c1338925fd2f0b490c
+Subproject commit 020ed5cb7f2d4efedfcc48bbbdf892043adbfec1