Add warning when image signature is incompatible with device

Fatme Havaluova · Fatme Havaluova · commit d216e2972954 · 2015-03-17T13:00:17.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 0a554b1dbc3f29fa6e229aabfa444d59a4ea6ce2
+Subproject commit 1687c9925db6fbd444fc5c21cfe8b511013d6292
