Added comments .Removed changes not required.

Signed-off-by: Asharani <asharani.murugesh@in.bosch.com>

hawkbit-ui/pom.xml

@@ -254,10 +254,5 @@
          <artifactId>allure-junit-adaptor</artifactId>
          <scope>test</scope>
       </dependency>
-      <dependency>
-      	<groupId>org.scala-lang</groupId>
-      	<artifactId>scala-library</artifactId>
-      	<version>2.10.4</version>
-      </dependency>
    </dependencies>
 </project>

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/artifacts/event/UploadFileStatus.java

@@ -12,7 +12,7 @@ import java.io.Serializable;
 
 /**
  * 
- * Holds file and upload status details.
+ * Holds file and upload status details.Meta data sent with upload events.
  *
  */
 public class UploadFileStatus implements Serializable {
@@ -27,10 +27,10 @@ public class UploadFileStatus implements Serializable {
 
     private String failureReason;
 
-    public UploadFileStatus(String fileName){
+    public UploadFileStatus(String fileName) {
         this.fileName = fileName;
     }
-    
+
     public UploadFileStatus(String fileName, long bytesRead, long contentLength) {
         this.fileName = fileName;
         this.contentLength = contentLength;

hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/artifacts/upload/UploadStatusObject.java

@@ -8,6 +8,12 @@
  */
 package org.eclipse.hawkbit.ui.artifacts.upload;
 
+/**
+ * 
+ * Holds uploaded file status.Used to display the details in upload status
+ * popup.
+ *
+ */
 public class UploadStatusObject {
     private String status;
     private Double progress;