Update to latest common lib

rosen-vladimirov · rosen-vladimirov · commit 7b8acfdfcbfa · 2018-01-31T18:51:56.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 95a2e73bf916e85f8ffb3dce54251e997a3a4b6b
+Subproject commit 39b20ebae53bc4557eab6364126dcaafe76047e3
