Imported 1.4.7 from http://svn.codehaus.org/xstream/tags/XSTREAM_1_4_7/
Merged 1.4.7

Conflicts:
	xstream/src/java/com/thoughtworks/xstream/XStream.java
	xstream/src/java/com/thoughtworks/xstream/converters/reflection/ReflectionProvider.java
	xstream/src/java/com/thoughtworks/xstream/converters/reflection/Sun14ReflectionProvider.java
	xstream/src/java/com/thoughtworks/xstream/core/DefaultConverterLookup.java
	xstream/src/java/com/thoughtworks/xstream/core/JVM.java
	xstream/src/java/com/thoughtworks/xstream/mapper/AnnotationMapper.java
	xstream/src/java/com/thoughtworks/xstream/mapper/CachingMapper.java
	xstream/src/test/com/thoughtworks/acceptance/SecurityManagerTest.java
	xstream/src/test/com/thoughtworks/xstream/mapper/XmlFriendlyMapperTest.java
Updating the version