Update common lib sha

TsvetanMilanov · TsvetanMilanov · commit 1535f086efc0 · 2017-01-13T11:24:04.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 15530903349c980d5f099fb4a8a07b2160158eeb
+Subproject commit 17a506a820016c2ec961c7b0d56c6e0554539900
