Remove trailing whitespace in source files

find . -type f -name "*.java" -or -name "*.aj" | \
    xargs perl -p -i -e "s/[ \t]*$//g" {} \;

Issue: SPR-10127

spring-instrument-tomcat/src/main/java/org/springframework/instrument/classloading/tomcat/TomcatInstrumentableClassLoader.java

@@ -28,8 +28,8 @@ import org.springframework.instrument.classloading.WeavingTransformer;
  * Extension of Tomcat's default class loader which adds instrumentation
  * to loaded classes without the need to use a VM-wide agent.
  *
- * <p>To be registered using a 
- * <code><a href="http://tomcat.apache.org/tomcat-5.5-doc/config/loader.html">Loader</a></code> tag 
+ * <p>To be registered using a
+ * <code><a href="http://tomcat.apache.org/tomcat-5.5-doc/config/loader.html">Loader</a></code> tag
  * in Tomcat's <code><a href="http://tomcat.apache.org/tomcat-5.5-doc/config/context.html">Context</a></code>
  * definition in the <code>server.xml</code> file, with the Spring-provided
  * "spring-tomcat-weaver.jar" file deployed into Tomcat's "server/lib" (for Tomcat 5.x) or "lib" (for Tomcat 6.x) directory.