CGLIB and ASM inlined with Spring 3.2

This is a small change, but will go some way with issues that I have faced in the past in getting the correct dependency of CGLIB/ASM with my projects. CGLIB and its dependency ASM are now both inlined with the Spring-Core binaries(as of Spring 3.2+) - their source is not maintained with the spring-core project, but are inlined at build time. From the maven pom.xml perspective, the following can now be kept out of the file:

<dependency>
 <groupId>cglib</groupId>
 <artifactId>cglib</artifactId>
 <version>2.2.2</version>
</dependency>