removed ide related files and review comments fixes

.gitignore

@@ -27,7 +27,3 @@ coverage.txt
 profile.out
 
 simplest-uncommitted-msg-0.1-jar-with-dependencies.jar
-
-.idea
-
-

async_producer_test.go

@@ -1248,7 +1248,7 @@ func ExampleAsyncProducer_select() {
 	signals := make(chan os.Signal, 1)
 	signal.Notify(signals, os.Interrupt)
 
-	var enqueued, producerError int
+	var enqueued, producerErrors int
 ProducerLoop:
 	for {
 		select {
@@ -1256,13 +1256,13 @@ ProducerLoop:
 			enqueued++
 		case err := <-producer.Errors():
 			log.Println("Failed to produce message", err)
-			producerError++
+			producerErrors++
 		case <-signals:
 			break ProducerLoop
 		}
 	}
 
-	log.Printf("Enqueued: %d; producerError: %d\n", enqueued, producerError)
+	log.Printf("Enqueued: %d; errors: %d\n", enqueued, producerErrors)
 }
 
 // This example shows how to use the producer with separate goroutines
@@ -1283,7 +1283,7 @@ func ExampleAsyncProducer_goroutines() {
 
 	var (
 		wg                                 sync.WaitGroup
-		enqueued, successes, producerError int
+		enqueued, successes, producerErrors int
 	)
 
 	wg.Add(1)
@@ -1299,7 +1299,7 @@ func ExampleAsyncProducer_goroutines() {
 		defer wg.Done()
 		for err := range producer.Errors() {
 			log.Println(err)
-			producerError++
+			producerErrors++
 		}
 	}()
 
@@ -1318,5 +1318,5 @@ ProducerLoop:
 
 	wg.Wait()
 
-	log.Printf("Successfully produced: %d; producerError: %d\n", successes, producerError)
+	log.Printf("Successfully produced: %d; errors: %d\n", successes, producerErrors)
 }