(refs #12) Implemented the process of saving image.

src/main/scala/app/FileUploadController.scala

@@ -25,7 +25,7 @@ class FileUploadController extends ScalatraServlet with FileUploadSupport {
 
   post("/image/:owner/:repository"){
     execute { (file, fileId) =>
-
+      FileUtils.writeByteArrayToFile(new java.io.File(getAttachedDir(params("owner"), params("repository")), fileId), file.get)
     }
   }
 

src/main/scala/app/IssuesController.scala

@@ -274,8 +274,7 @@ trait IssuesControllerBase extends ControllerBase {
   })
 
   get("/:owner/:repository/_attached/:file")(referrersOnly { repository =>
-    println("----" + params("file"))
-
+    new java.io.File(Directory.getAttachedDir(repository.owner, repository.name), params("file"))
   })
 
   val assignedUserName = (key: String) => params.get(key) filter (_.trim != "")