- removed unused RsFileTransferCacheRequestItem and all related functions
- fixed bug in turtle router calling members of a deleted item
- removed some debug info
git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.6-initdev@6789 b45a01b8-16f6-495d-af2f-9b41ad6348cc