okay to delete old code?

[Allen Gilliland]

since 4.0 is a major rev i'd like to take the opportunity to do a bit of 
house cleaning where appropriate and delete some of the old code which 
has been lying around for a while or just has no usages.  things like ...

ConfigManager
HibernateConfigManagerImpl
OldRollerConfig
CacheHttpServletResponseWrapper
RequestUtil
ConsistencyCheck
and anything else I can find.  anyone see problems with that?

-- Allen