Update changelog for 3.1.4

Author: cbeams

build-spring-framework/resources/changelog.txt

@@ -37,6 +37,7 @@ Changes in version 3.1.4 (2013-01-23)
 * fixed HierarchicalUriComponents equals implementation (SPR-10088)
 * MockHttpServletRequest's getParameter(Values) returns null for null parameter name (SPR-10192)
 * MockHttpServletResponse's getHeaderNames declares Collection instead of Set for Servlet 3.0 compatibility (SPR-9885)
+* ResourcePropertySource supports JDK 5-style Properties XML (SPR-9896)
 
 
 Changes in version 3.1.3 (2012-10-31)