remove tree entries from the dom completely when hidden
remove tree entries from the dom completely when hidden

Hubcapp/commafeed,wesley1001/commafeed,zhangzuoqiang/commafeed,syshk/commafeed,Athou/commafeed,tlvince/commafeed,wesley1001/commafeed,ebraminio/commafeed,ebraminio/commafeed,RavenB/commafeed,Hubcapp/commafeed,ebraminio/commafeed,zhangzuoqiang/commafeed,RavenB/commafeed,Athou/commafeed,zhangzuoqiang/commafeed,Hubcapp/commafeed,ahmadassaf/CommaFeed-RSS-Reader,RavenB/commafeed,tlvince/commafeed,syshk/commafeed,Athou/commafeed,ahmadassaf/CommaFeed-RSS-Reader,Athou/commafeed,ahmadassaf/CommaFeed-RSS-Reader,ebraminio/commafeed,wesley1001/commafeed,syshk/commafeed,wesley1001/commafeed,Hubcapp/commafeed,zhangzuoqiang/commafeed,tlvince/commafeed,ahmadassaf/CommaFeed-RSS-Reader,tlvince/commafeed,RavenB/commafeed,syshk/commafeed