Fixed typo and added German translation

core/src/main/resources/hudson/tasks/test/AggregatedTestResultPublisher/config.jelly

@@ -40,6 +40,6 @@ THE SOFTWARE.
     </table>
   </f:nested>
   <f:entry field="includeFailedBuilds" title="">
-    <f:checkbox name="includeFailedBuilds" checked="${instance.includeFailedBuilds}" title="${%Include failed bulds in results}" />
+    <f:checkbox name="includeFailedBuilds" checked="${instance.includeFailedBuilds}" title="${%Include failed builds in results}" />
   </f:entry>
 </j:jelly>

core/src/main/resources/hudson/tasks/test/AggregatedTestResultPublisher/config_de.properties

@@ -22,3 +22,4 @@
 
 Automatically\ aggregate\ all\ downstream\ tests=Alle nachgelagerten Tests zusammenfassen
 Jobs\ to\ aggregate=Zusammenzufassende Jobs
+Include\ failed\ builds\ in\ results=Fehlgeschlagene Builds in Ergebnis erfassen