Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to e4bbb52912d2a28fd543fb6412c4e98c0730d1ce
  - Merge "XSS Vulnerability fix in AppsController"
  - XSS Vulnerability fix in AppsController

    Custom XSS filter used to fix thisa issue.
    DataValidator upgrade to single instance of ValidatorFactory;

    Issue-ID: OJSI-15
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    Change-Id: I7222cfb84e1e5bb240619aac9c7bca85d215229a

diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 59b6b42..e4bbb52 160000 (submodule)
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 59b6b42d465680f70334627e032f15a978c5a2c0
+Subproject commit e4bbb52912d2a28fd543fb6412c4e98c0730d1ce