1.modify the icon of hive, http and internetWorm group

2.add icons

piflow-bundle/src/main/scala/cn/piflow/bundle/hive/PutHiveQL.scala

@@ -58,7 +58,7 @@ class PutHiveQL extends ConfigurableStop {
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("hive.jpg")
+    ImageUtil.getImage("icon/hive/PutHiveQL.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/hive/PutHiveStreaming.scala

@@ -49,7 +49,7 @@ class PutHiveStreaming extends ConfigurableStop {
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("hive.jpg")
+    ImageUtil.getImage("icon/hive/PutHiveStreaming.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/hive/SelectHiveQL.scala

@@ -45,7 +45,7 @@ class SelectHiveQL extends ConfigurableStop {
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("hive.jpg")
+    ImageUtil.getImage("icon/hive/SelectHiveQL.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/http/FileDownHDFS.scala

@@ -88,7 +88,7 @@ class FileDownHDFS extends ConfigurableStop{
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("http.png")
+    ImageUtil.getImage("icon/http/LoadZipFromUrl.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/http/GetUrl.scala

@@ -135,7 +135,7 @@ class GetUrl extends ConfigurableStop{
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("http.png")
+    ImageUtil.getImage("icon/http/GetUrl.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/http/InvokeUrl.scala

@@ -233,7 +233,7 @@ class InvokeUrl extends ConfigurableStop{
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("http.png")
+    ImageUtil.getImage("icon/http/InvokeUrl.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/http/PostUrl.scala

@@ -74,7 +74,7 @@ class PostUrl extends ConfigurableStop{
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("http.png")
+    ImageUtil.getImage("icon/http/PostUrl.png")
   }
 
   override def getGroup(): List[String] = {

piflow-bundle/src/main/scala/cn/piflow/bundle/internetWorm/spider.scala

@@ -184,7 +184,7 @@ class spider extends ConfigurableStop{
   }
 
   override def getIcon(): Array[Byte] = {
-    ImageUtil.getImage("spider.png")
+    ImageUtil.getImage("icon/internetWorm/Spider.png")
 
   }