Update to latest common lib - Show warning if the device and the provided image signature are not compatible

Fatme Havaluova · Fatme Havaluova · commit 806551ec527b · 2015-03-17T12:57:00.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 0a554b1dbc3f29fa6e229aabfa444d59a4ea6ce2
+Subproject commit 1687c9925db6fbd444fc5c21cfe8b511013d6292
