(refs #28)Look up Gravatar if user icon is not configured.

src/main/scala/app/AccountController.scala

@@ -58,10 +58,10 @@ trait AccountControllerBase extends AccountManagementControllerBase with FlashMa
     getAccountByUserName(userName).flatMap(_.image).map { image =>
       contentType = FileUtil.getMimeType(image)
       new java.io.File(getUserUploadDir(userName), image)
-    } getOrElse {
-      contentType = "image/png"
-      Thread.currentThread.getContextClassLoader.getResourceAsStream("noimage.png")
-    }
+//    } getOrElse {
+//      contentType = "image/png"
+//      Thread.currentThread.getContextClassLoader.getResourceAsStream("noimage.png")
+    } getOrElse NotFound
   }
 
   get("/:userName/_edit")(oneselfOnly {

src/main/scala/app/ControllerBase.scala

@@ -10,6 +10,7 @@ import org.apache.commons.io.FileUtils
 import model.Account
 import scala.Some
 import service.AccountService
+import javax.servlet.http.HttpServletRequest
 
 /**
  * Provides generic features for controller implementations.
@@ -22,7 +23,7 @@ abstract class ControllerBase extends ScalatraFilter
   /**
    * Returns the context object for the request.
    */
-  implicit def context: Context = Context(servletContext.getContextPath, LoginAccount, currentURL)
+  implicit def context: Context = Context(servletContext.getContextPath, LoginAccount, currentURL, request)
 
   private def currentURL: String = {
     val queryString = request.getQueryString
@@ -94,7 +95,7 @@ abstract class ControllerBase extends ScalatraFilter
 /**
  * Context object for the current request.
  */
-case class Context(path: String, loginAccount: Option[Account], currentUrl: String)
+case class Context(path: String, loginAccount: Option[Account], currentUrl: String, request: HttpServletRequest)
 
 /**
  * Base trait for controllers which manages account information.