Merge pull request #1682 from albers/ldap-plugin-1.11

Update bundled LDAP plugin in order to restore missing help files

war/pom.xml

@@ -322,7 +322,7 @@ THE SOFTWARE.
                 <artifactItem>
                   <groupId>org.jenkins-ci.plugins</groupId>
                   <artifactId>ldap</artifactId>
-                  <version>1.6</version>
+                  <version>1.11</version>
                   <type>hpi</type>
                 </artifactItem>
                 <artifactItem>