Implement new mandatory getTarget() method for web links

Change-Id: I615edb1709b5c0475883ea46ec07b5d2673515fe
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>

src/main/java/com/googlesource/gerrit/plugins/cookbook/HelloWeblink.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/cookbook/HelloWeblink.java b/src/main/java/com/googlesource/gerrit/plugins/cookbook/HelloWeblink.java
index 98a00aa..2b316df 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/cookbook/HelloWeblink.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/cookbook/HelloWeblink.java
@@ -52,4 +52,9 @@
   public String getBranchUrl(String projectName, String branchName) {
     return String.format(placeHolderUrlProjectBranch, projectName, branchName);
   }
+
+  @Override
+  public String getTarget() {
+    return Target.BLANK;
+  }
 }