[JENKINS-24458 JENKINS-11543] integrated the newer version of stapler with reduced log level

changelog.html

@@ -67,6 +67,12 @@ Upcoming changes</a>
   <li class=bug>
     Use Windows line endings for batch file build steps.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-7478">issue 7478</a>)
+  <li class=bug>
+    Reduced the logging clutter about the lack of @ExportedBean
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-24458">issue 24458</a>)
+  <li class=bug>
+    Character encoding problem in form submission when file parameters are present
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-11543">issue 11543</a>)
 </ul>
 </div><!--=TRUNK-END=-->
 

core/pom.xml

@@ -42,7 +42,7 @@ THE SOFTWARE.
 
   <properties>
     <staplerFork>true</staplerFork>
-    <stapler.version>1.228</stapler.version>
+    <stapler.version>1.229</stapler.version>
     <spring.version>2.5.6.SEC03</spring.version>
     <groovy.version>1.8.9</groovy.version>
   </properties>