Fixed configuration upgrades not applied on manual updates (thanks Nan for reporting).

src/bg/LifeCycle.js

@@ -219,13 +219,15 @@ var LifeCycle = (() => {
       }
 
       let {reason, previousVersion} = details;
-      if (reason !== "update") return;
-
+      if (reason === "update") {
         try {
           await LifeBoat.retrieveAndDestroy();
         } catch (e) {
           error(e);
         }
+      }
+
+      if (!previousVersion) return;
 
       await include("/lib/Ver.js");
       previousVersion = new Ver(previousVersion);