Elaborate logging in app delegate.

// FREEBIE

Signal/src/AppDelegate.m

@@ -45,8 +45,6 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
 
 @implementation AppDelegate
 
-#pragma mark Detect updates - perform migrations
-
 - (void)applicationDidEnterBackground:(UIApplication *)application {
     DDLogWarn(@"%@ applicationDidEnterBackground.", self.tag);
 }
@@ -57,6 +55,16 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
     [[UIApplication sharedApplication] setApplicationIconBadgeNumber:0];
 }
 
+- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application
+{
+    DDLogWarn(@"%@ applicationDidReceiveMemoryWarning.", self.tag);
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application
+{
+    DDLogWarn(@"%@ applicationWillTerminate.", self.tag);
+}
+
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
     // Initializing logger
     CategorizingLogger *logger = [CategorizingLogger categorizingLogger];
@@ -94,6 +102,8 @@ static NSString *const kURLHostVerifyPrefix             = @"verify";
         [DebugLogger.sharedLogger enableFileLogging];
     }
 
+    DDLogWarn(@"%@ application: didFinishLaunchingWithOptions.", self.tag);
+
     [self setupTSKitEnv];
 
     UIStoryboard *storyboard;