- ZF-724 : fix a problem with mbstring.func_overload=7 - ZF-463 : add a feature to Zend_Cache_Backend_File to make the cache filenames configurable.             The default filename prefix should be something like "zend_cache_"             instead of simply "cache_".
- ZF-724 : fix a problem with mbstring.func_overload=7
- ZF-463 : add a feature to Zend_Cache_Backend_File to make the cache filenames configurable. 
           The default filename prefix should be something like "zend_cache_" 
           instead of simply "cache_".


git-svn-id: b6e219894c353fb1d215c78b2075057d8daadfba@2648 44c647ce-9c0f-0410-b52a-842ac1e357ba

svn2github/zend_framework,jupeter/zf1,svn2github/zend_framework,tjohns/zf,tjohns/zf,jupeter/zf1,svn2github/zend_framework,jupeter/zf1,svn2github/zend_framework,tjohns/zf,svn2github/zend_framework