Refactor {open,focus}{Next,Previous}Entry().
Refactor {open,focus}{Next,Previous}Entry().

--HG--
extra : amend_source : f7cbe276ddab8b0838736dc8df4400fb4aebd21f

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