v0.42.7

- Don't try messages again on subsequent startup if error has been
  shown to the user
- Performance improvement when processing incoming messages
- Workaround for Chrome App icon flashing behavior
- Additional logging when we get delivery receipt for unknown message
- Addition logging to help track down problems with contact sync

FREEBIE

manifest.json

@@ -4,7 +4,7 @@
     "name": "Signal Private Messenger",
     "short_name": "Signal",
     "description": "__MSG_installTagline__",
-    "version": "0.42.6",
+    "version": "0.42.7",
     "offline_enabled": false,
     "minimum_chrome_version": "37",
     "default_locale": "en",