Fixed Eclipse .classpath by adding org.codehaus.jackson, org.codehaus.jackson.mapper, and org.mozilla.javascript.

 - org.apache.openjpa -> 1.1.0
 - com.sun.syndication -> 1.0.0
 - javax.el -> 1.0.0

* Applied patch submitted by Carlos Zuniga

replaced Commons Collections dependency with Spring-provided LinkedCaseInsensitiveMap; revised CollectionFactory and Spring Map implementations for consistency

updated all Spring Framework OSGI manifests to list unversioned imports explicitly; relaxed several OSGi bundle dependencies to optional and extended version ranges

SPR-5732 - When no type conversion strategy is found on a @Controller handler method bind target, a 500 error code should be returned not a 400.

SPR-5726: Unexpected @RequestMapping semantics when class-level and method-level mappings used together

Servlet/Portlet ApplicationContexts use a specific id based on servlet/portlet name; DefaultListableBeanFactory references are serializable now when initialized with an id; scoped proxies are serializable now, for web scopes as well as for singleton beans; injected request/session references are serializable proxies for the current request now