Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to e3f250e95491450a1c1040f8fc55c376aca8c072
  - Merge "App class DB constraints"
  - App class DB constraints
    
    Java Bean Validation SR 380 annotations added to classes
    
    Issue-ID: PORTAL-627
    Change-Id: I827f99ef75c6af3f9881fe68f1cb245795ba2734
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    
diff --git a/docs/submodules/portal.git b/docs/submodules/portal.git
index 4b12eac..e3f250e 160000
--- a/docs/submodules/portal.git
+++ b/docs/submodules/portal.git
@@ -1 +1 @@
-Subproject commit 4b12eacf41dd7866039f1b9059188c619c317ad6
+Subproject commit e3f250e95491450a1c1040f8fc55c376aca8c072